Perhaps you should try some spelling variations:
"cua dan canh snippets" » "cua dan code snippets", "cua van canh snippets", "cua dan cach snippets", "cua dan hanh snippets", "cua dang canh snippets", "cua ban canh snippets", "ca dan canh snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"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: (((("cua dan canh snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dan canh snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( cua dan canh snippets ) or ( python using java snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dan canh snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.