Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tran » thanh trang, thanh toan, thanh tra
thong cong » tong cong, thong thong, phong chong
ho chieu » theo chieu, hoc thieu, doi chieu
tran tan » tran tuan, tran van, tran thanh
phan dau » phan tu, hang dau
khan ap » khan cap, han ap, khan dam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tran tan ((thong cong) OR (trong cong)) dan ((phan dau) OR (khan ap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh tran tan ((thong cong) OR (trong cong)) dan ((phan dau) or (khan ap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tran tan ((thong cong) OR (trong cong)) dan ((phan dau) or (khan ap))*.