Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tran cua snippets" » "dang tran code snippets", "dang thanh cua snippets", "quang tran cua snippets", "hoang tran cua snippets", "dang tranh cua snippets", "dang than cua snippets", "dang tan cua 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 tran cua 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 tran cua snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang tran cua snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tran cua snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.