Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh cau thuat slippers" » "trinh chat thuat slippers", "trinh chao thuat slippers", "trinh tu thuat slippers", "trinh cac thuat slippers", "trinh phau thuat slippers", "trinh thu thuat slippers", "trinh cau thuat slippery", "trinh cau thuat 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 ("trinh cau thuat slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh cau thuat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh cau thuat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh cau thuat slippers"))) or ("locating bug code snippets"))*.