Perhaps you should try some spelling variations:
cam truc » cau truc, nam truc, lam truoc
danh sai » dung sai, danh bat, danh dau
va triet » va thiet, va trien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va danh » va dinh, va dan, va hanh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
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: te sac ky lang xa hoi. hieu va cam truc va danh sai ((va triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va cam truc va danh sai ((va triet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va cam truc va danh sai ((va triet) or (cua te))*.