Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan cua hon snippets" » "nhan cua code snippets", "nhat cua hon snippets", "nhan luc hon snippets", "nhan su hon snippets", "nhan cua hoi snippets", "nhan cua hoc snippets", "nhan 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: (((("nhan 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: (((("nhan cua hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan cua hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cua hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.