Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh dong son snippets" » "trinh dong code snippets", "trinh duong son snippets", "trinh dung son snippets", "trinh cong son snippets", "trinh dong von snippets", "trinh dong san snippets", "trinh hoang son 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: (((("dung java java snippets") or ("trinh dong son snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh dong son snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh dong son snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh dong son snippets"))) or ("locating bug core snippets"))*.