Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu moc cham snippets" » "cu toc cham snippets", "cu moc chau snippets", "cu hoc chat snippets", "cu soc cham snippets", "cu uoc cham 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: (((("cu moc cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu moc cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu moc cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu moc cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.