Perhaps you should try some spelling variations:
"trinh tan van snippets" » "trinh toan van snippets", "trinh han van snippets", "trinh van van snippets", "trinh tran van snippets", "trinh tang van snippets", "trinh luan van snippets", "trinh tan van 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"

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 ("trinh tan van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("trinh tan van snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using a snippets ) or ( trinh tan van snippets ))) or ( locating bug code snippets ))*.