Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
canh manh » lanh manh, cach mang, van manh
cua thong » cua thuong, cua khong, cua tong
hat chau » ha chau, hat nhan, huu chau
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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

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