Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong can » cong san, cong dan, cong cau
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - canh manh cua dang ((cong can) or (cong tan)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - canh manh cua dang ((cong can) OR (cong tan)) chan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - canh manh cua dang ((cong can) or (cong tan)) chan cau*.