Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
nhanh chong » thanh cong, khanh phong
thien danh » thien anh, thien dang, thien chanh
nhung cong » dung cong, thong cong, hang cong
chong cua » thong cua, cong cua, chung cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 danh) OR (thien thanh)) - nhanh chong cua nhung cong dan chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien danh) OR (thien thanh)) - nhanh chong cua nhung cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) OR (thien thanh)) - nhanh chong cua nhung cong dan chan cau*.