Perhaps you should try some spelling variations:
tuong tuong » tuong duong, trong tuong, duong truong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cap » truong cao, trung tam
cap tuong » cac tuong, cap tong, chap thuong
tuong dan » huong dan, tung dan, xuong dan
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung cap tuong tuong dan ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cap tuong tuong dan ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cap tuong tuong dan ((phan cau) or (phan tu))*.