Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trong hoi trac slippers" » "trong thoi trac slippers", "truong hoi trac slippers", "trong choi trac slippers", "trong hoi trach slippers", "trong hoi tran slippers", "trong hoi tac slippers", "trong hoi trac slippery", "trong hoi trac 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 ("trong hoi trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong hoi trac slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong hoi trac slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong hoi trac slippers"))) or ("locating bug code snippets"))*.