Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"locating bug core snippets" » "locating bug code snippets"
"tri phu van snippets" » "thi phu van snippets", "tri thuc van snippets", "tri phan van snippets", "tri phuc van snippets", "tri chu van snippets", "tri phu san 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: (((("python using code snippets") OR ("tri phu van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using code snippets ) or ( tri phu van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") or ("tri phu van snippets"))) or ("locating bug core snippets"))*.