Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
dang may » mang may, dang xay, dung may
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
thuc ban » thuoc ban, thuc dan, thu ban
va tham » van tham, va cham, va thanh
may hoi » may thoi, tay hoi, mai hoi
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
va tam » van tam, va tac, va tap
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky dang may hoi. hieu ((va tam) OR (va tham)) thuc ban ((hanh vai) or (hanh tai)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang may hoi. hieu ((va tam) OR (va tham)) thuc ban ((hanh vai) OR (hanh tai)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky dang may hoi. hieu ((va tam) OR (va tham)) thuc ban ((hanh vai) or (hanh tai)) cua viet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang may hoi. hieu ((va tam) OR (va tham)) thuc ban ((hanh vai) or (hanh tai)) cua viet*.