Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van hau pha snippets" » "van ha pha snippets", "van hai pha snippets", "van dau pha snippets", "van chau phan snippets", "van kham pha 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 hau pha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van hau pha snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van hau pha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.