Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ky ((lang van) or (dang van)) hoi. hieu qua cam tuc va hanh ((vi cua) or (hai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky ((lang van) OR (dang van)) hoi. hieu qua cam tuc va hanh ((vi cua) OR (hai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: vu khach ky ((lang van) or (dang van)) hoi. hieu qua cam tuc va hanh ((vi cua) or (hai cua)) triet*.