Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat so hoc snippets" » "nhat so hoc snippets", "chat co hoc snippets", "chat bo hoc snippets", "chat mo hoc snippets", "chat so 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: (((("chat so hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat so hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat so hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat so hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.