Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chun yu cham snippets" » "chen yu cham snippets", "chun su cham snippets", "chuang yu cham snippets", "chun tu cham snippets", "chun vu cham snippets", "chun qua cham 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 cham 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 cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chun yu cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun yu cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.