Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"cong may trinh snippets" » "cong may tinh snippets", "cong lap trinh snippets", "cong quy trinh snippets", "cong xay trinh snippets", "cong ma trinh snippets", "cong hay 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: (((("cong may 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: (((("cong may trinh snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong may trinh snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong may trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.