Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
quang cua » quan cua, quang tuan, dung cua
cong nhan » cong nhat, cong thanh, cong san
nhan dung » chan dung, nhan dang, ngan dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - thanh ((quang cua) OR (quang huy)) nhung cong nhan dung tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh ((quang cua) OR (quang huy)) nhung cong nhan dung tai".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((quang cua) OR (quang huy)) nhung cong nhan dung tai*.