Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tinh cad snippets" » "dang tinh code snippets", "dang dinh cad snippets", "dang sinh cad snippets", "dang vinh cad snippets", "dang trinh cad snippets", "dang tinh cao snippets", "dang tinh ca 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: (((("dang tinh cad snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tinh cad snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang tinh cad snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tinh cad snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.