Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tam cao snippets" » "van tam code snippets", "van tham cao snippets", "van tai cao snippets", "van tan cao snippets", "van tao cao snippets", "van nam cao snippets", "van tay cao snippets"
"python using java snippets" » "python using data 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: (((("van tam cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van tam cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van tam cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.