Perhaps you should try some spelling variations:
nhung phung » nhung phuong, nhung phong, nhung dung
thanh trung » thanh tung
thien hach » thien thanh
nhung phun » nhung phu, nhung phan, nhung phuong
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
van phan » van phong, van thanh, luan 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 ((thien hach) or (hien hanh)) - thanh trung cua ((nhung phung) OR (nhung phun)) van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hien hanh)) - thanh trung cua ((nhung phung) OR (nhung phun)) van phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien hach) or (hien hanh)) - thanh trung cua ((nhung phung) OR (nhung phun)) van phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (hien hanh)) - thanh trung cua ((nhung phung) OR (nhung phun)) van phan cau*.