Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tinh doi snippets" » "dang tinh code snippets", "dang dinh doi snippets", "dang sinh doi snippets", "dang vinh doi snippets", "dang trinh doc snippets", "dang trinh do snippets", "dang tinh 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: (((("dang tinh doi 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 doi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang tinh doi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tinh doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.