Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan thanh cac snippets" » "dan thanh code snippets", "dang thanh cac snippets", "danh thanh cac snippets", "ban thanh cac snippets", "dan hanh cac snippets", "dan thanh bac snippets", "dan thanh 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: (((("dan thanh 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: (((("dan thanh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan thanh cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.