Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thanh doc snippets" » "dung thanh code snippets", "dong thanh doc snippets", "dang thanh doc snippets", "dung thang doc snippets", "dung than doc snippets", "dung thanh do snippets", "dung nhanh doc 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 thanh doc 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 thanh doc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung thanh doc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thanh doc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.