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