Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
hieu manh » hieu nganh, dieu hanh, hien hanh
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai 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 ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - thanh trung tuan dung cong tap toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (chieu xanh))) OR (chieu sach)) - thanh trung tuan dung cong tap toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - thanh trung tuan dung cong tap toan tap*".