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