Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hoc chieu » hoc thieu, ho chieu, hoc hien
tung tuan » trung tuan, hung tuan, quang tuan
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
thanh cac » hanh cac, thanh bac, thanh ca
than cap » khan cap, thanh lap, than cua

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 tung tuan ((bang cong) or (dang cong)) dan ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh tung tuan ((bang cong) OR (dang cong)) dan ((than cap) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh tung tuan ((bang cong) or (dang cong)) dan ((than cap) OR (thanh cac))*".