Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau day hoc snippets" » "cau xay hoc snippets", "cam day hoc snippets", "cau may hoc snippets", "cau dai hoc snippets", "cau dan 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: (((("cau day 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: (((("cau day hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau day hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau day hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.