Perhaps you should try some spelling variations:
dang tao » sang tao, nang tao, vang tao
vai cua » dai cua, hai cua, lai cua
cam luc » cam xuc, cau luc
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu van
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va
vi cua » di cua
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang tao hoi. ((hieu ve) or (hieu va)) cam luc va danh ((vi cua) or (vai cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang tao hoi. ((hieu ve) OR (hieu va)) cam luc va danh ((vi cua) OR (vai cua)) vat.
• Adding a wildcard symbol may retrieve word variants: te sac ky dang tao hoi. ((hieu ve) or (hieu va)) cam luc va danh ((vi cua) or (vai cua)) vat*.