Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thoat dong » thuat dong, hoa dong, thai dong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, trang tai

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 - ((thoat dong) or (hoat dong)) cua nhung cong tan ((tran tap) OR (tran tuan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thoat dong) OR (hoat dong)) cua nhung cong tan ((tran tap) OR (tran tuan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thoat dong) or (hoat dong)) cua nhung cong tan ((tran tap) OR (tran tuan))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thoat dong) or (hoat dong)) cua nhung cong tan ((tran tap) OR (tran tuan))*.