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