Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban luan hoc snippets" » "ban luan code snippets", "bang luan hoc snippets", "ban quan hoc snippets", "bai luan hoc snippets", "ban luan hoan snippets", "ban quang hoc snippets", "ban luan khoa 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: (((("ban luan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban luan hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban luan hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban luan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.