Perhaps you should try some spelling variations:
luan tuong » luan luong, luat thuong, xuan truong
tuong cong » truong cong, trong cong, tong cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (hoc thieu)) sang - anh tang luan tuong cong tac nhan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) sang - anh tang luan tuong cong tac nhan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) sang - anh tang luan tuong cong tac nhan cau*.