Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan van son snippets" » "nhan van code snippets", "nhan dan son snippets", "nhan va son snippets", "phan van son snippets", "nhan van dong snippets", "nhan van cong snippets", "nhan van sung snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhan van son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan van son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan van son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan van son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.