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