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