Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan viec cho snippets" » "dan viec code snippets", "dan viet cho snippets", "dan vien cho snippets", "van viec cho snippets", "dan viec khoa snippets", "dan viec nhom snippets", "dan viec cua snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan viec cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan viec cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan viec cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan viec cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.