Perhaps you should try some spelling variations:
hien khanh » hien nhanh, dien khanh, thien thanh
thanh tung » thanh cong
hien hanh » dieu hanh
tao thong » giao thong, toan thong, tao khoang
tao trong » cay trong, ro trong
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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