Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
cac thoi » cac toi, cac hop, cac tro
tang dan » tang van, tung dan, tang luan
hoc khoi » hoc khoa, hoc hoa, hoc noi
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va danh, ban hanh
dan hoi » dan hoc, dai hoi, van hoi
vu cam » vu cham, vu cao, va cam
vi qua » vi quan, va qua, vi lua

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: tu ((hoc khoi) OR (cac thoi)) tang dan hoi. hieu vu cam xuc ((va hanh) OR (va thanh)) vi qua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((hoc khoi) or (cac thoi)) tang dan hoi. hieu vu cam xuc ((va hanh) OR (va thanh)) vi qua su~".
• Adding a wildcard symbol may retrieve word variants: tu ((hoc khoi) or (cac thoi)) tang dan hoi. hieu vu cam xuc ((va hanh) OR (va thanh)) vi qua su*.