Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao hon doi snippets" » "cao son doi snippets", "cao hoc doi snippets", "ca hon doi snippets", "cao hoan doi snippets", "cao hoa doi 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: (((("cao hon doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao hon doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao hon doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao hon doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.