Perhaps you should try some spelling variations:
nhung khuong » nhung phuong, nhung huong, nhung chong
khuong tinh » chuong trinh, phuong trinh, phuong binh
trung tuan » trung thanh, trung tam, tran tuan
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung cap, dung cua
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: hoc ((kieu tinh) or (lieu tinh)) - thanh ((trung cua) OR (trung tuan)) nhung khuong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((kieu tinh) OR (lieu tinh)) - thanh ((trung cua) OR (trung tuan)) nhung khuong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((kieu tinh) or (lieu tinh)) - thanh ((trung cua) OR (trung tuan)) nhung khuong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((kieu tinh) or (lieu tinh)) - thanh ((trung cua) OR (trung tuan)) nhung khuong tinh toan cau*.