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