Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat ton cho snippets" » "bao ton cho snippets", "bat trong cho snippets", "bat dong cho snippets", "bat toan cho snippets", "bat ton kho 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: (((("bat ton 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: (((("bat ton cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat ton cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.