Perhaps you should try some spelling variations:
"trinh trong tin slippers" » "trinh truong tin slippers", "tranh trong tin slippers", "trinh trung tin slippers", "trinh thong tin slippers", "trinh trong tan slippers", "trinh trong tieng slippers", "trinh trong tin slippery", "trinh trong tin grippers"
"dung java java snippets" » "dung va java snippets"
"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 trong tin 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 trong tin slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh trong tin slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh trong tin slippers"))) or ("locating bug code snippets"))*.