Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
su sai » su tai, su hai, su dai
xuc va » duc va, luc va, xac va
sai ky » sac ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((nang ma) or (tang ma)) hoi. hieu va cam ((xuc va) or (tuc va)) thanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((nang ma) OR (tang ma)) hoi. hieu va cam ((xuc va) OR (tuc va)) thanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: su sai ky ((nang ma) or (tang ma)) hoi. hieu va cam ((xuc va) or (tuc va)) thanh vi cua viet*.