Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
quan truong » quang truong, quan trong, xuan truong
chieu xanh » chieu sach, chieu sang, chieu tinh
manh trung » manh tung, thanh trung, sinh trung
phuong lan » phuong la, thuong lan, phuong linh
hien xanh » hien hanh, hien nhanh, hien khanh
manh hung » anh huong
lan toan » van toan, dan toan, lap toan
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 (chieu xanh)) - ((manh trung) OR (manh hung)) quan truong phuong lan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (chieu xanh)) - ((manh trung) OR (manh hung)) quan truong phuong lan toan cao~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - ((manh trung) OR (manh hung)) quan truong phuong lan toan cao*.