Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"va phan le snippets" » "va phan code snippets", "van phan le snippets", "va phat le snippets", "va phap le snippets", "va pham le snippets", "va phan mem snippets", "va phan lap 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: (((("va phan le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va phan le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( va phan le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va phan le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.