Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao co hoi snippets" » "khao co hoi snippets", "thao bo hoi snippets", "thap co hoi snippets", "thao co hoc snippets", "thao 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: (((("thao 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: (((("thao co hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao co hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao co hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.