Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan dat xac snippets" » "dung dat xac snippets", "dong dat xac snippets", "dinh dat xac snippets", "dan dan xac snippets", "dan dau xac snippets", "dan dat sach 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 dat xac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan dat xac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan dat xac snippets"))) or ("locating bug core snippets"))*.