Perhaps you should try some spelling variations:
cac khoi » cac khoan, cach thoi, hoc khoi
cac thoi » cac toi, cac hop, cac tro
tang dan » tang van, tung dan, tang luan
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cua cau » cua cac, cua chu, cua cay
dan hoi » dan hoc, dai hoi, van hoi
vu cao » cu cao, va cao
xuc va » duc va, tuc va, luc va
tu cam » tu cham, tu cac, tu nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((cac khoi) or (cac thoi)) tang dan hoi. hieu ((tu cam) or (vu cao)) xuc va hanh vai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((cac khoi) OR (cac thoi)) tang dan hoi. hieu ((tu cam) OR (vu cao)) xuc va hanh vai cua cau.
• Adding a wildcard symbol may retrieve word variants: tu ((cac khoi) or (cac thoi)) tang dan hoi. hieu ((tu cam) or (vu cao)) xuc va hanh vai cua cau*.