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