Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phoa chi hoa snippets" » "ho chi hoa snippets", "hop chi hoa snippets", "thon chi hoa snippets", "phoa chi khoa snippets", "phoa chi hoat snippets", "phoa thi hoa 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: (((("phoa chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phoa chi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phoa chi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phoa chi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.