Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi thieu cac snippets" » "doi thieu code snippets", "doi chieu cac snippets", "gioi thieu cac snippets", "toc thieu cac snippets", "doi hieu cac snippets", "doi thien cac snippets", "doi hieu ca 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 ("doi thieu cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("doi thieu cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( doi thieu cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("doi thieu cac snippets"))) or ("locating bug core snippets"))*.