Perhaps you should try some spelling variations:
trong tuong » trong thuong, trong luong, tuong tuong
hien nhanh » hien hanh, thien thanh, tien thanh
trung tuan » trung thanh, trung tam, truong thanh
hien xanh » hien hanh, chieu xanh, hien khanh
tran tuan » tran xuan, tran quang, tran thanh
tuong dan » huong dan, tung dan, xuong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien nhanh)) - hanh ((trung tuan) or (tran tuan)) trong tuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - hanh ((trung tuan) OR (tran tuan)) trong tuong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - hanh ((trung tuan) or (tran tuan)) trong tuong dan toan ban*.