Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van cong co snippets" » "van cong code snippets", "van dong co snippets", "van phong co snippets", "phan cong co snippets", "van cong cu snippets", "van cong so 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: (((("python using java snippets") OR ("van cong co snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van cong co snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van cong co snippets"))) or ("locating bug core snippets"))*.