Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
quang tuan » quan luan
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh nang » anh nang, ganh nang, hanh mang
tuan ban » tuan bang, toan ban, luan ban

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 - hanh nang (suat OR sua) thong cong quang tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh nang (suat OR sua) thong cong quang tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh nang (suat OR sua) thong cong quang tuan ban*.