Perhaps you should try some spelling variations:
"co mot chieu snippets" » "co mot code snippets", "co mot chien snippets", "co doi chieu snippets", "co ho chieu snippets", "cho mot chieu snippets", "com mot chieu snippets", "co dot chieu snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co mot chieu snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( co mot chieu snippets ) or ( python using sat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("co mot chieu snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.