Perhaps you should try some spelling variations:
"trinh doi trinh slippers" » "trinh do trinh slippers", "trinh hoi trinh slippers", "tinh doi trinh slippers", "trinh doc trinh slippers", "trinh doi tinh slippers", "trinh dong trinh slippers", "trinh doi trinh slippery", "trinh doi 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: (((("trinh doi 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: (((("trinh doi trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh doi trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh doi trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.