Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quan cau snippets" » "dung quan code snippets", "dung quang cau snippets", "dung luan cau snippets", "luong quan cau snippets", "dung quang cao snippets", "dung toan cau snippets", "dung quan ha snippets"
"hang java java snippets" » "hang 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: (((("hang java java snippets") or ("dung quan cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dung quan cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung quan cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung quan cau snippets"))) or ("locating bug core snippets"))*.