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