Perhaps you should try some spelling variations:
"cu dan cach snippets" » "cu dan code snippets", "cu dan cac snippets", "cu dan canh snippets", "cu nhan cach snippets", "cua dan cach snippets", "ca dan cach snippets", "co dan cach 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: (((("cu dan cach snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu dan cach snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu dan cach snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu dan cach snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.