Perhaps you should try some spelling variations:
cac khoi » cac thoi, cac khoan, cach thoi
tang dan » tang van, tang luan, tang quan
tung dan » dung dan, huong dan, trung dai
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
cua chu » sua chua
vu cam » vu cham, vu cao, va cam
xuc va » duc va, tuc va, luc va
cua cu » cua cau, cua su, cua co

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 ((tang dan) OR (tung dan)) hoi. hieu vu cam xuc va hanh vi ((cua cu) or (cua chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac khoi ((tang dan) OR (tung dan)) hoi. hieu vu cam xuc va hanh vi ((cua cu) OR (cua chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac khoi ((tang dan) OR (tung dan)) hoi. hieu vu cam xuc va hanh vi ((cua cu) or (cua chu))".
• Adding a wildcard symbol may retrieve word variants: tu cac khoi ((tang dan) OR (tung dan)) hoi. hieu vu cam xuc va hanh vi ((cua cu) or (cua chu))*.