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