Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach ke cho snippets" » "cach de cho snippets", "cac ke cho snippets", "cach le cho snippets", "cach keo cho snippets", "cach ke che snippets", "cach ke co 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: (((("cach ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach ke cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach ke cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.