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