Perhaps you should try some spelling variations:
"quan tinh phi snippets" » "quan binh phi snippets", "quang ninh phi snippets", "quang binh phi snippets", "quan tinh phu snippets", "quan kinh phi snippets", "quan linh phi snippets", "quan tinh phi slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 tinh phi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan tinh phi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan tinh phi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan tinh phi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.