Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hong le trac slippers" » "thong le trac slippers", "hoang le trac slippers", "phong le trac slippers", "hong li trac slippers", "hong le trang slippers", "hong le trac slippery", "hong le 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: (((("hong le 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: (((("hong le trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong le trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong le trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.