Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hien nhanh » hien hanh, thien thanh, tien thanh
thong cong » trong cong, tong cong, thong thong
hien xanh » hien hanh, chieu xanh, hien khanh
tuong tac » cong tac, luong tai, tuong lai
tac thong » tac thuong, tac trong, tac chong
van phong » van dong, hai phong
van phan » van thanh, luan phan, 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)) - thanh tuong tac thong cong ((van phan) OR (van phong)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh tuong tac thong cong ((van phan) OR (van phong)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien nhanh)) - thanh tuong tac thong cong ((van phan) OR (van phong)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - thanh tuong tac thong cong ((van phan) OR (van phong)) cau*.