Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using c snippets" » "python using code snippets", "python using lc snippets", "python using a snippets", "python using _ snippets"
"dung phan java snippets" » "dung nhan java snippets", "dung luan java snippets", "dung ha java snippets", "dung phan va 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 c snippets") OR ("dung phan java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using c snippets ) or ( dung phan java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using c snippets") or ("dung phan java snippets"))) or ("locating bug core snippets"))*.