Perhaps you should try some spelling variations:
tham luoc » tham nuoc, tom luoc, khai luoc
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
cua viet » ca viet, hoa viet, cua vat
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu va tham luoc van hanh vi ((va thiet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu va tham luoc van hanh vi ((va thiet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu va tham luoc van hanh vi ((va thiet) or (cua viet))*.