Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
thuc day » thuc dan, thuc vat
day hanh » day nhanh, day thanh, dao hanh
nang xa » nang x, lang xa, nang ma
thi ban » thi lan, tai ban, tri ban
ban nam » van nam, dan nam, ban ham
hanh di » hanh vi, hanh de, hang di
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 nang xa hoi. thi ban nam thuc day hanh di ((cua triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. thi ban nam thuc day hanh di ((cua triet) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. thi ban nam thuc day hanh di ((cua triet) or (va thiet))*.