Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
luat thong » luat thuong, suat thong, xuat thong
thong cong » trong cong, tong cong, thong thong
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
san tran » tan tran, ban tran, dang tran
tran huu » tran duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((anh tang) or (nhanh lang)) luat thong cong san tran huu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((anh tang) OR (nhanh lang)) luat thong cong san tran huu*.