Perhaps you should try some spelling variations:
luan chung » luan chinh
thong tran » thong than, thong tren, phuong tran
theo dieu » theo tieu, theo chieu, thuoc dieu
luan cong » luat cong, luong cong, luan luong
anh tang » anh bang, anh dang, anh nang
tran tan » tran tuan, tran van, tran thanh
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - anh tang ((luan cong) or (luan chung)) thong tran tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - anh tang ((luan cong) OR (luan chung)) thong tran tan cau*.