Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van lua cau snippets" » "van lua code snippets", "van luan cau snippets", "van lu cau snippets", "van luc cau snippets", "van luat cau snippets", "van cua cau snippets", "van quan cau 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 lua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van lua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van lua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.