Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"quan van c snippets" » "quan van code snippets", "luan van c snippets", "quan va c snippets", "quan luan c snippets", "quan van ca snippets", "quan van co snippets", "quan van cu 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: (((("python using java snippets") OR ("quan van c snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( quan van c snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("quan van c snippets"))) or ("locating bug core snippets"))*.