Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
hoang manh » hoang minh, hoang anh, hoang xanh
tuan hang » tuan hoang, tuan bang, tuan dang
nong manh » nong lanh, duong manh, luong manh
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: hoc ((chieu xanh) or (chieu sach)) - hanh trung tuan hang ((nong manh) OR (hoang manh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh trung tuan hang ((nong manh) OR (hoang manh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh trung tuan hang ((nong manh) OR (hoang manh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh trung tuan hang ((nong manh) OR (hoang manh)) toan tap*.