Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu cua hon snippets" » "dieu cua hon snippets", "bieu cua hon snippets", "hieu cua hon snippets", "lieu cua hoi snippets", "lieu cua hoc snippets", "lieu ca 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: (((("lieu cua 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: (((("lieu cua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu cua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu cua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.