Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan che mon snippets" » "toan chi mon snippets", "toan cho mon snippets", "toan he mon snippets", "toan che cong snippets", "toan nghe mon 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: (((("toan che mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan che mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan che mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan che mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.