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