Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
nhanh thang » nhanh thanh, nhanh quang, hanh trang
thien anh » thien danh, tien anh, thien chanh
thang cua » thong cua, hang cua, than cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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