Perhaps you should try some spelling variations:
trien minh » trien kinh, tien minh, trieu minh
trien dich » mien dich
hanh mang » nhanh mang, hanh trang, nhanh lang
tong cong » trong cong, cong cong, dung cong
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
mang cua » manh cua, dung cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trien minh) or (trien dich)) - hanh mang cua tong cong van ((thanh cau) OR (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trien minh) OR (trien dich)) - hanh mang cua tong cong van ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trien minh) or (trien dich)) - hanh mang cua tong cong van ((thanh cau) OR (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((trien minh) or (trien dich)) - hanh mang cua tong cong van ((thanh cau) OR (nhanh cau))*.