Perhaps you should try some spelling variations:
khia canh » kho canh, thi canh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
doi khia » doi khi, noi khoa, hoi khoa
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khia canh - thanh ((trung cua) or (trung cap)) trong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khia canh - thanh ((trung cua) OR (trung cap)) trong cong dan than cau*.