Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung cu kha snippets" » "dung cua kha snippets", "dung co kha snippets", "dung cho kha snippets", "dung cu khoa snippets", "dung cuu kha 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 ("dung cu kha snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung cu kha snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung cu kha snippets"))) or ("locating bug core snippets"))*.