Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
nghe nam » nghe lam, nghiep nam, nghe nano
danh hai » dang hai, lanh hai, manh hai
nang hoa » nang hoat, hang hoa, nang hoc
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
hoa hoi » khoa hoi, hoa hoc, hoa doi
he nam » ha nam
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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 ky nang hoa hoi. hieu ((he nam) or (nghe nam)) thuc va danh hai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang hoa hoi. hieu ((he nam) OR (nghe nam)) thuc va danh hai ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang hoa hoi. hieu ((he nam) or (nghe nam)) thuc va danh hai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang hoa hoi. hieu ((he nam) or (nghe nam)) thuc va danh hai ((cua triet) OR (su triet))*.