Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao thu cuc snippets" » "cao thi cuc snippets", "cac thu cuc snippets", "ca thu cuc snippets", "cao thu tuc snippets", "cao thu cua 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: (((("cao thu cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao thu cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao thu cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao thu cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.