Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chun yu cach snippets" » "chen yu cach snippets", "chun su cach snippets", "chuang yu cach snippets", "chun tu cach snippets", "chun cuu cach 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: (((("chun yu cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chun yu cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chun yu cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun yu cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.