Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung va du snippets" » "vung va code snippets", "dung va du snippets", "luong va du snippets", "duong va du snippets", "vung va dau snippets", "vung va su snippets", "vung va tu 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: (((("vung va du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung va du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vung va du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung va du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.