Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh viet van slippers" » "ninh viet van slippers", "trinh vat van slippers", "trinh viet nam slippers", "trinh viet anh slippers", "trinh viet ha slippers", "trinh viet van slippery", "trinh viet van grippers"
"dung java java snippets" » "dung va java snippets"

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