Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
doi chieu » doc hieu, ho chieu, mot chieu
dung cong » dung trong
cong suat » nang suat, cong san, cong cua
suat phan » sat phan, xuat phan, thuat phan
cao dung » cao dang, cao dong, cao ung
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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: ((doi chieu) OR (doi chi)) tinh - ((hanh trung) OR (manh trung)) cao dung cong suat phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doi chi)) tinh - ((hanh trung) or (manh trung)) cao dung cong suat phan cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doi chi)) tinh - ((hanh trung) or (manh trung)) cao dung cong suat phan cau*.