Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat nam cao snippets" » "bac nam cao snippets", "ban nam cao snippets", "bau nam cao snippets", "bat nam sao snippets", "bat nam giao 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 nam 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: (((("bat nam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat nam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.