Perhaps you should try some spelling variations:
thang cong » thanh cong, thang long, thong cong
xuan thang » xuan thanh, xuan trang, quan thanh
chao chu » cho chu, cua chu, cao cho
hanh van » thanh van, khanh van, hanh va
van xuan » van quan, van tuan, van xuat
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chao chu) or (theo tieu)) sach - hanh van xuan thang cong dan ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chu) OR (theo tieu)) sach - hanh van xuan thang cong dan ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ((chao chu) or (theo tieu)) sach - hanh van xuan thang cong dan ((chan cau) or (phan cau))*.