Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than ca cao snippets" » "than cua cao snippets", "than cap cao snippets", "thanh ca cao snippets", "than ca dao snippets", "than cu cao snippets", "than ca 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: (((("than ca 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: (((("than ca cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than ca cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than ca cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.