Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"cong vang code snippets" » "cong lang code snippets", "cong quang code snippets", "cong ngang code snippets", "cong vang de snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java 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 vang code snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong vang code snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong vang code snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong vang code snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.