Perhaps you should try some spelling variations:
"trong trinh va slippers" » "trong tinh va slippers", "trang trinh va slippers", "trong thinh va slippers", "trong trinh van slippers", "trong trinh vat slippers", "trong trinh ve slippers", "trong trinh va slippery", "trong trinh va 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: (((("trong trinh va slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong trinh va slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong trinh va slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong trinh va slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.