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