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