Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang van son snippets" » "tang van code snippets", "dang van son snippets", "hoang van son snippets", "trong van son snippets", "tang van dong snippets", "tang van cong snippets", "tang 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: (((("tang 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: (((("tang van son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang van son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang van son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.