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