Perhaps you should try some spelling variations:
"dan va chan snippets" » "dan va code snippets", "dan va phan snippets", "dan va cham snippets", "dan va chat snippets", "doan va chan snippets", "dan ca chan snippets", "ban va chan snippets"
"locating bug core snippets" » "locating bug code 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 ("dan va chan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan va chan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan va chan snippets"))) or ("locating bug core snippets"))*.