Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
chieu sang » chieu sach, chieu xanh, hieu lang
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van 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: toc ((((thieu sach) OR (thien hach))) or (chieu sang)) - thanh trung cua tong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((((thieu sach) OR (thien hach))) OR (chieu sang)) - thanh trung cua tong cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((((thieu sach) OR (thien hach))) or (chieu sang)) - thanh trung cua tong cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: toc ((((thieu sach) OR (thien hach))) or (chieu sang)) - thanh trung cua tong cong dan than cap*.