Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van doc trinh snippets" » "van doc tinh snippets", "van doi trinh snippets", "van hoc trinh snippets", "van duoc trinh snippets", "van loc trinh 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: (((("van doc trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van doc trinh snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( van doc trinh snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van doc trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.