Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi van dau snippets" » "phi san dau snippets", "thi van dau snippets", "phi va dau snippets", "phi van dao snippets", "phi phan dau snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi van dau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( phi van dau snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phi van dau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.