Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tranh coc dat slippers" » "tranh cuoc dat slippers", "tranh cac dat slippers", "tranh co dat slippers", "tranh hoc dat slippers", "tranh chon dat slippers", "tranh duoc dat slippers", "tranh coc dat slippery", "tranh coc dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("tranh coc dat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tranh coc dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tranh coc dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tranh coc dat slippers"))) or ("locating bug code snippets"))*.