Perhaps you should try some spelling variations:
"quan doan trinh slippers" » "quan doan tinh slippers", "quan dan trinh slippers", "quan doan hinh slippers", "quan hoang trinh slippers", "chuan doan trinh slippers", "chan doan trinh slippers", "quan doan trinh slippery", "quan doan trinh 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: (((("quan doan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan doan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan doan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan doan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.