Perhaps you should try some spelling variations:
"ca cau chap snippets" » "ca cau code snippets", "ca cau cham snippets", "ca cau chan snippets", "ca cau phap snippets", "cac cau chap snippets", "can cau chap snippets", "cua cau chap snippets"
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data 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: (((("ca cau chap snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca cau chap snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( ca cau chap snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca cau chap snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.