Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho con ton snippets" » "cho cong ton snippets", "cho lon ton snippets", "cho can ton snippets", "cho co ton snippets", "cho cong toan snippets", "cho mon toan 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 con ton 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 con ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho con ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho con ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.