Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
thanh ky » hanh ky, than ky, thanh tay
ban danh » ban doanh, ban hanh, ban dan
hieu van » thien van, lieu va, hieu ve
vai cua » dai cua, hai cua, lai cua
cuu ban » cuu van, cua ban, cuu san
cam cuu » cham cuu, cap cuu
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
vi cua » di cua

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: thuat thanh ky lang xa hoi. ((hieu va) OR (hieu van)) cam cuu ban danh ((vi cua) OR (vai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat thanh ky lang xa hoi. ((hieu va) or (hieu van)) cam cuu ban danh ((vi cua) OR (vai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: thuat thanh ky lang xa hoi. ((hieu va) or (hieu van)) cam cuu ban danh ((vi cua) OR (vai cua)) tre*.