Perhaps you should try some spelling variations:
truong cong » truong dong, truong long, truong chung
thien thanh » tien thanh, thi thanh, hien hanh
hien nhanh » hien hanh, tien thanh, dien thanh
manh trung » manh tung, thanh trung, manh hung
trung cua » truong cua, trung tuan, trung cap
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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