Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
truong cong » trong cong, truong dong, truong long
hien hanh » dieu hanh
xa truong » cac truong
hien anh » thien anh, dien anh, tien anh
duong xa » duong va, duong ma, dong xa
cong san » cong tac
than cao » toan cao, thai cao, than cap
tai cao » thai cao, tao cao, tai sao

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 anh) or (hien hanh)) - thanh duong xa truong cong san ((than cao) or (tai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (hien hanh)) - thanh duong xa truong cong san ((than cao) OR (tai cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) or (hien hanh)) - thanh duong xa truong cong san ((than cao) or (tai cao))*.