Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cuong » nhung cong, hung cuong, nhung chong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
dang khanh » dang hanh, dang thanh, dan khanh
bang khan » bang nhan, bang thanh, bang khi

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)) - thanh trung tuan nhung cuong ((bang khan) OR (dang khanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - thanh trung tuan nhung cuong ((bang khan) OR (dang khanh)) cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - thanh trung tuan nhung cuong ((bang khan) OR (dang khanh)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - thanh trung tuan nhung cuong ((bang khan) OR (dang khanh)) cap*.