Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho minh hon snippets" » "chi minh hon snippets", "cho sinh hon snippets", "cao minh hon snippets", "cho minh hoa snippets", "cho minh son snippets", "cho manh hon 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: (((("cho minh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho minh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho minh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho minh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.