Attach (recommended) or Link to PDF file here:
[Hong Kong Aircraft Engineering Company Limited_1511417616.1 2.pdf](https://github.com/mozilla/pdf.js/files/1539395/Hong.Kong.Aircraft.Engineering.Company.Limited_1511417616.1.2.pdf)


Configuration:
- Web browser and its version: Chrome: 63 
- Operating system and its version: windows and macOs
- PDF.js version: 2.0.185
- Is a browser extension: No

Steps to reproduce the problem:
1. Upload the above PDF and search for "article 1"
2. PDF.js showing only **2** match But actually **4** times available.   

What is the expected behavior? (add screenshot)

![screen shot 2017-12-07 at 7](https://user-images.githubusercontent.com/6101789/33720106-ed404576-db88-11e7-9c19-cf6aea74e9f3.png)



What went wrong? (add screenshot)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

},
    });
  });
  it("performs an entire word search", async function () {
    
    
    const { eventBus, pdfFindController } = await initPdfFindController();
    await testSearch({
      eventBus,
      pdfFindController,
      state: {
        query: "Government",
        entireWord: true,
      },
      matchesPerPage: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0],
      selectedMatch: {
        pageIndex: 12,
        matchIndex: 0,
      },
    });
  });
  it("performs a multiple term (no phrase) search", async function () {
    
    
    const { eventBus, pdfFindController } = await initPdfFindController();
    await testSearch({
      eventBus,
      pdfFindController,
      state: {
        query: "alternate solution",