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