Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan cho cao snippets" » "chat cho cao snippets", "han cho cao snippets", "chuan chon cao snippets", "chan cho cac snippets", "chan cho dao snippets", "chan cho can 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: (((("chan cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan cho cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan cho cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.