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