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