Perhaps you should try some spelling variations:
hinh thai » sinh thai, tinh thai, dinh thi
ve triet » va trien, su triet
thuc dan » thuc hanh, hoc dan, thuc vat
ky tang » ky nang, ky dang, kho tang
hoa hoi » khoa hoi, hoa hoc, hoc hoi
thai ve » thai va, thai viet, thai den
hoa doi » hoa dai, hoc doi, xoa doi
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc day
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve nam » he nam, va nam, le 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 ve nam ((thuc va) or (thuc dan)) hinh thai ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang ((hoa hoi) OR (hoa doi)). hieu ve nam ((thuc va) OR (thuc dan)) hinh thai ve triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ((hoa hoi) or (hoa doi)). hieu ve nam ((thuc va) or (thuc dan)) hinh thai ve triet*.