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
thong cong » trong cong, thong thong, phong chong
tong cong » trong cong, cong cong, dung cong
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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 ((thong cong) OR (tong cong)) tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sach)) - thanh trung tuan ((thong cong) OR (tong cong)) tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chieu sach)) - thanh trung tuan ((thong cong) OR (tong cong)) tan toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sach)) - thanh trung tuan ((thong cong) OR (tong cong)) tan toan tap*.