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