Perhaps you should try some spelling variations:
"cau dao tinh snippets" » "cau dac tinh snippets", "cau dao minh snippets", "cau dao dinh snippets", "ca dao tinh snippets", "cau do tinh snippets", "cau tao tinh snippets", "cau dao tinh slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("cau dao tinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau dao tinh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau dao tinh snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau dao tinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.