Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tap cac snippets" » "cong tap code snippets", "cuong tap cac snippets", "cong tac cac snippets", "cong tan cac snippets", "cong tai cac snippets", "cong tap trac snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data 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 using java snippets") or ("cong tap cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("cong tap cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( cong tap cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("cong tap cac snippets"))) or ("locating bug core snippets"))*.