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