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