Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi day khoe snippets" » "doi duy khoe snippets", "doi da khoa snippets", "doi day hoc snippets", "duoi day khoe snippets", "doi dau khoe snippets", "loi day khoe snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("doi day khoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi day khoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi day khoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi day khoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.