Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"don thuan thi slippers" » "dong thuan thi slippers", "dinh thuan thi slippers", "doan chuan thi slippers", "don thuan thuc slippers", "don thuat thie slippers", "don thuat thoi slippers", "don thuan thi slippery", "don thuan thi 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 ("don thuan thi slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("don thuan thi slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( don thuan thi slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("don thuan thi slippers"))) or ("locating bug code snippets"))*.