Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ti he snippets" » "cong ty he snippets", "cong li he snippets", "cong tu he snippets", "cong tai he snippets", "cong gi he snippets", "cong te he 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: (((("cong ti he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ti he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ti he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ti he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.