Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao bang o snippets" » "cao dang o snippets", "cao tang o snippets", "cao nang o snippets", "cao bang mo snippets", "cao lang o 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 bang o 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 bang o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao bang o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao bang o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.