Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh trung » thanh tung
chieu sach » chinh sach, chieu xanh, hieu cach
chieu sang » chieu xanh, hieu lang, nhieu tang
cua phuong » cuu phuong, cuc phuong, luan phuong
trung cua » truong cua, trung tuan, trung cap
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((((chieu sach) OR (chiet tach))) or (chieu sang)) - thanh trung cua phuong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu sach) OR (chiet tach))) OR (chieu sang)) - thanh trung cua phuong cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu sach) OR (chiet tach))) or (chieu sang)) - thanh trung cua phuong cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu sach) OR (chiet tach))) or (chieu sang)) - thanh trung cua phuong cong tan than cap*.