Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung quan » tuong quan, trung quan, dung quan
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
theo chu » theo chieu, cho chu, theo yeu
chao chu » cho chu, cua chu, cao cho
cong sat » cong suat, cong san, cong hat
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (chao chu)) tinh - thanh tung quan dung cong sat ((phan cau) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (chao chu)) tinh - thanh tung quan dung cong sat ((phan cau) OR (phan cac))~".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (chao chu)) tinh - thanh tung quan dung cong sat ((phan cau) OR (phan cac))*.