Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan doat hon snippets" » "dan doat code snippets", "dan dat hon snippets", "dan hoat hon snippets", "dinh doat hon snippets", "dan dua hon snippets", "dan hoat ho snippets", "dan luat 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: (((("dan doat 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: (((("dan doat hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan doat hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan doat hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.