Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
tuan khong » toan khong, tuan phong, thuan phong
hoc chieu » hoc thieu, ho chieu, hoc hien
trong dan » trong dang, trong san, trong tan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 - thanh trung tuan khong trong dan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung tuan khong trong dan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung tuan khong trong dan ((than cau) or (phan cau))*.