Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi nin toan snippets" » "chi tinh toan snippets", "chi tin toan snippets", "chi minh toan snippets", "chi binh toan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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