Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"cong li trac slippers" » "cong ti trac slippers", "hong li trac slippers", "cong hai trac slippers", "cong li rac slippers", "cong vi trac slippers", "cong hoi trac slippers", "cong li trac slippery", "cong li trac grippers"

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: (((("cong li trac slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong li trac slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong li trac slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong li trac slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.