Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh han » hanh nhan, hanh phan, hanh san
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong ty
than cau » toan cau, phan cau, than cap
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh han cua hang ((cong tan) or (cong thanh)) ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh han cua hang ((cong tan) OR (cong thanh)) ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh han cua hang ((cong tan) or (cong thanh)) ((than cau) or (phan tu))*.