Perhaps you should try some spelling variations:
"cao chet duoc snippets" » "cao che duoc snippets", "cao cho duoc snippets", "cao che quoc snippets", "cao chat duoc snippets", "cai chet duoc snippets", "chai chet duoc snippets", "cao chet duoc 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: (((("python using a snippets") or ("cao chet duoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("cao chet duoc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( cao chet duoc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("cao chet duoc snippets"))) or ("locating bug code snippets"))*.