Perhaps you should try some spelling variations:
"trinh quan thu slippers" » "tinh quang thu slippers", "trinh luat thu slippers", "trinh han thu slippers", "trinh tuan thu slippers", "trinh quan khu slippers", "trinh xuan thu slippers", "trinh quan thu slippery", "trinh quan thu 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 thu 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 thu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh quan thu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh quan thu slippers"))) or ("locating bug code snippets"))*.