Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
dan danh » van danh, han danh, ban danh
danh dai » danh dau, danh di, danh sai
su triet » su viet, su tien, ve triet
hieu va » hieu qua
te sac » te sach, te san
te cac » tu cac, ve cac, te cao
dai su » dai sua, dai so, dan su
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: ((te sac) or (te cac)) ky nang x hoi. ((hieu va) or (lieu va)) am thuc dan danh dai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky nang x hoi. ((hieu va) OR (lieu va)) am thuc dan danh dai su triet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te cac)) ky nang x hoi. ((hieu va) or (lieu va)) am thuc dan danh dai su triet*.