Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"tran quoc code snippets" » "trung quoc code snippets", "han quoc code snippets", "tran duc code snippets", "tran quoc co snippets", "tran quoc cong 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: (((("tran quoc 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: (((("tran quoc code snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran quoc code snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran quoc code snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.