Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu cua hon snippets" » "chu cua code snippets", "chuc cua hon snippets", "hu cua hon snippets", "chi cua hon snippets", "chu cua hoi snippets", "chu cua hoc snippets", "chu ca hon snippets"
"python using java snippets" » "python using data 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: (((("chu cua hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu cua hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chu cua hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu cua hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.