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