Perhaps you should try some spelling variations:
quang phuong » bang phuong, dung phuong, hoang phuong
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, tran tuan
phuong tac » phuong tay, phuong bac, huong tac
trung cua » truong cua, trung cap, dung cua
ho chieu » theo chieu, hoc thieu, doi chieu
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 tinh - thanh ((trung cua) or (trung tuan)) quang phuong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((trung cua) OR (trung tuan)) quang phuong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((trung cua) or (trung tuan)) quang phuong tac toan cau*.