Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh hai » thanh hai, nhanh hai, hanh tai
hang hai » hoang hai, hang tai, thanh hai
nam thuc » nam thuoc, am thuc, nam thu
ky tang » ky nang, ky dang, kho tang
hoa hoi » khoa hoi, hoa hoc, hoc hoi
hoa doi » hoa dai, hoc doi, xoa doi
hieu he » hieu ve, hiem he, hieu le
thuc va » thuc vat, thuc dan, thuc day
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

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