Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can cho hoc snippets" » "chan cho hoc snippets", "cap cho hoc snippets", "cao cho hoc snippets", "can co hoc snippets", "can khoa hoc 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: (((("can cho 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: (((("can cho hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can cho hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can cho hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.