Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho noi cho snippets" » "cho moi cho snippets", "cho doi cho snippets", "che noi cho snippets", "cho hoi cho snippets", "cho noi co 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 noi cho 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 noi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho noi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho noi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.