Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phong tuc trac slippers" » "phong tu trac slippers", "phong tuc truoc slippers", "phong tuc tap slippers", "thong tuc trac slippers", "phong tuc trac slippery", "phong tuc trac grippers"
"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 tuc trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong tuc trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong tuc trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong tuc trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.