Perhaps you should try some spelling variations:
"phong gian ede snippets" » "khong gian ede snippets", "phong giao ede snippets", "chong gian ede snippets", "phong gian ve snippets", "phong gian e snippets", "phong gian 2d snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phong gian ede snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong gian ede snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong gian ede snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong gian ede snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.