Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
sinh sach » chinh sach, sinh san, sang sach
thanh cac » hanh cac, thanh bac, thanh ca
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
cong ban » cong bang, cong san, cong tan
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 sinh sach - thanh ((trung va) or (trang va)) thuong cong ban ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh sach - thanh ((trung va) OR (trang va)) thuong cong ban ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc sinh sach - thanh ((trung va) or (trang va)) thuong cong ban ((than cap) or (thanh cac))*.