Perhaps you should try some spelling variations:
"ca chu chan snippets" » "ca chu code snippets", "ca chu han snippets", "ca chua chay snippets", "ca chu van snippets", "cua chu chan snippets", "ca chua chan snippets", "cac chu chan 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 chu chan 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 chu chan snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( ca chu chan snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca chu chan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.