Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
quang tuan » quang thanh, quan luan, quang cua
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong van » phung van, phong van, phuong lan
hien xanh » hien hanh, chieu xanh, hien khanh
quan cua » quan luan, ban cua, gian cua
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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: hoc ((hien xanh) OR (hien nhanh)) - nhanh ((quan cua) OR (quang tuan)) nhu phuong van toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - nhanh ((quan cua) or (quang tuan)) nhu phuong van toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - nhanh ((quan cua) or (quang tuan)) nhu phuong van toan cau*.