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