Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung khien cho snippets" » "dung khien code snippets", "dung chien cho snippets", "dung kien cho snippets", "dung nghien cho snippets", "dung khien hoc snippets", "dung hiem cho snippets", "dung dien cho snippets"
"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 khien cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung khien cho snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung khien cho snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung khien cho snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.