Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong suat can snippets" » "cong suat code snippets", "nang suat can snippets", "cong san can snippets", "cong cua can snippets", "cong luat can snippets", "cong suat cao snippets", "cong luat canh 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: (((("cong suat can snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong suat can snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong suat can snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong suat can snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.