Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, chieu xanh, hien khanh
tao thong » tao trong, giao thong, toan thong
cong luan » tong luan, cong tuan, dong luan
luan hoan » luan van
tung tao » trung tam, tuong tac, trong tao
hoan cau » toan cau, hoa cau, hoang cao

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)) - thanh tung tao thong cong luan hoan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh tung tao thong cong luan hoan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - thanh tung tao thong cong luan hoan cau*.