Perhaps you should try some spelling variations:
"khang trinh tu slippers" » "hanh trinh tu slippers", "khang sinh tu slippers", "kha trinh tu slippers", "khang trinh ky slippers", "khang trinh do slippers", "khang trinh tu slippery", "khang trinh tu 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: (((("khang trinh tu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang trinh tu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khang trinh tu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang trinh tu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.