Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trung tao » trung tam, trong tao, trung tai
tao thong » tao trong, giao thong, toan thong
den tuan » den tran, den thanh, doan tuan
dan toan » van toan, dan than, manh toan

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 hanh)) - hanh trung tao thong thong ((den tuan) or (dan toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh trung tao thong thong ((den tuan) OR (dan toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh trung tao thong thong ((den tuan) or (dan toan)) cau*.