Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
trung tuan » trung thanh, trung tam, tran tuan
tong cong » trong cong, cong cong, dang cong
dung cong » dung trong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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