Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi nhan co snippets" » "chi nhanh co snippets", "cho nhan co snippets", "chi ngan co snippets", "chi nhan con snippets", "chi phan co snippets", "chi nhan mo 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 nhan co 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 nhan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi nhan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi nhan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.