Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 xanh) or (chieu sang)) - canh tranh cua nhung cong tac ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (chieu sang)) - canh tranh cua nhung cong tac ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (chieu sang)) - canh tranh cua nhung cong tac ((than cau) or (phan tu))*.