Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
hieu van » hieu va, thien van, lieu va
sang tao » hang tai
tao hai » tao dai, tao tai, tai hai
hieu ve » hieu va
ky sang » ky nang, ky dang, ky tang
danh vi » hanh vi, dinh vi, danh di
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
cua te » cua tu

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 sang tao hai. ((hieu ve) or (hieu van)) cam ((xuc va) OR (luc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky sang tao hai. ((hieu ve) OR (hieu van)) cam ((xuc va) OR (luc va)) danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ky sang tao hai. ((hieu ve) or (hieu van)) cam ((xuc va) OR (luc va)) danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: vu khach ky sang tao hai. ((hieu ve) or (hieu van)) cam ((xuc va) OR (luc va)) danh vi cua te*.