Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho viet da snippets" » "cho viet code snippets", "co viet da snippets", "tho viet da snippets", "ho viet da snippets", "cho viet dao snippets", "cho viet dat snippets", "cho viet ha snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low 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: (((("cho viet da snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cho viet da snippets ) or ( python using raw snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cho viet da snippets") or ("python using raw snippets"))) or ("locating bug core snippets"))*.