Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat dao cao snippets" » "bat dau cao snippets", "ba dao cao snippets", "bat bao cao snippets", "bat dao tao snippets", "bat tao cao 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 dao 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 dao cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat dao cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat dao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.