Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
dang tay » dang xay, dung tay, dan tay
va triet » va trien, ve triet, cua triet
ky dang » ky nang, ky danh
tay hoi » tay ho, tao hoi, tay thai
hieu va » lieu va, hieu qua
tu sac » tu sach, tu cac, tu san
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
thiet » thieu

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 tay hoi. hieu va cam ((xuc va) or (thuc dan)) hanh vi ((va triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky dang tay hoi. hieu va cam ((xuc va) OR (thuc dan)) hanh vi ((va triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky dang tay hoi. hieu va cam ((xuc va) or (thuc dan)) hanh vi ((va triet) or (va thiet))*.