Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho chat doc snippets" » "cao chat doc snippets", "cho phat doc snippets", "chao chao doc snippets", "cho chat hoc snippets", "cho chau doc snippets", "cho thuat 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: (((("cho chat 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: (((("cho chat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho chat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho chat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.