Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
phuong cong » phuong dong, phong cong, phung cong
hien hach » thien hach, hien nhanh, hien khanh
hien hanh » dieu hanh
truong va » truong dai, truong cao, truong dao
va phuong » va thuong, cac phuong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay 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 hach) or (hien hanh)) - thanh truong va phuong cong dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hach) OR (hien hanh)) - thanh truong va phuong cong dan chan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hach) or (hien hanh)) - thanh truong va phuong cong dan chan cao*.