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