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