Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tan hon snippets" » "van tan code snippets", "van tuan hon snippets", "van ban hon snippets", "van tai hon snippets", "van tam hon snippets", "van tan hoi snippets", "van tan son 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: (((("van tan hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tan hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van tan hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tan hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.