Perhaps you should try some spelling variations:
tang tao » sang tao, tang tai, nang tao
vai cua » dai cua, hai cua, lai cua
cam tuc » cam xuc, cam tu, nam thuc
ky tang » ky nang, ky dang, kho tang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
de cua » le cua, te cua, dieu cua
te sac » te sach, te cac, te san
tuc va » thuc va, truc va, tuc xa
sac ky » cac ky, sai ky

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 tang tao hoi. ((hieu ve) or (lieu va)) cam tuc va danh ((de cua) or (vai cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang tao hoi. ((hieu ve) OR (lieu va)) cam tuc va danh ((de cua) OR (vai cua)) vat.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang tao hoi. ((hieu ve) or (lieu va)) cam tuc va danh ((de cua) or (vai cua)) vat*.