Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh than » nhanh thanh, nhanh thang, nhanh thai
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
than cua » nhan cua, thai cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - nhanh than cua nhung cong tan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - nhanh than cua nhung cong tan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - nhanh than cua nhung cong tan phan cac*.