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