Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu mo cho snippets" » "lieu moc cho snippets", "lieu mao cho snippets", "lieu mot cho snippets", "lieu mo chon snippets", "lieu moi cho snippets", "lieu mo ho 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: (((("lieu mo 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: (((("lieu mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.