Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho den cac snippets" » "cho dong cac snippets", "cham den cac snippets", "chen den cac snippets", "cho dien cac snippets", "cho dan cac snippets", "cho de cac 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 den cac 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 den cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho den cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho den cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.