Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang trong ca snippets" » "tang trong code snippets", "tang truong ca snippets", "thang trong ca snippets", "lang trong ca snippets", "tang trong cac snippets", "tang trong van snippets", "tang trong nha 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 ("tang trong ca snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tang trong ca snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tang trong ca snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tang trong ca snippets"))) or ("locating bug core snippets"))*.