Perhaps you should try some spelling variations:
hien nganh » vien nganh, hieu nganh, trien nganh
hien nhanh » hien hanh, thien thanh, tien thanh
truong cua » truong ca, truong quan, truong cao
trinh than » trinh thanh, trinh han, trinh toan
trung cua » trung tuan, trung cap, dung cua
dang cong » dung cong
than cau » toan cau, phan cau, than cap

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 nganh) OR (hien nhanh)) - thanh ((trung cua) or (truong cua)) dang cong trinh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nganh) OR (hien nhanh)) - thanh ((trung cua) OR (truong cua)) dang cong trinh than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nganh) OR (hien nhanh)) - thanh ((trung cua) or (truong cua)) dang cong trinh than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nganh) OR (hien nhanh)) - thanh ((trung cua) or (truong cua)) dang cong trinh than cau*.