Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon cau cham snippets" » "lon ca cham snippets", "lon cau chan snippets", "lon cau chap snippets", "loi cau cham snippets", "toan cau cham snippets", "cong cau 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: (((("lon cau 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: (((("lon cau cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon cau cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon cau cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.