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