Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh may tang slippers" » "trinh ky tang slippers", "trinh han tang slippers", "trinh ly tang slippers", "trinh may nang slippers", "trinh tay tang slippers", "trinh may thong slippers", "trinh may tang slippery", "trinh may tang 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 may tang 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 may tang slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh may tang slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh may tang slippers"))) or ("locating bug code snippets"))*.