Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
nam thuoc » nam thuc, nam thu, nha thuoc
ve triet » va trien, su triet
thuoc va » thuc va, thuoc ma, thuong va
hoa doi » hoa dai, hoc doi, xoa doi
hieu ve » hieu va, hieu van
hoa hoi » khoa hoi, hoa hoc, hoc hoi
va hanh » van hanh, va thanh, va danh
ky tang » ky nang, ky dang, kho tang
thai ve » thai va, thai viet, thai den
sac ky » cac ky, sai ky
ve nam » he nam, va nam, le nam
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 tang ((hoa hoi) or (hoa doi)). hieu ve nam thuoc va hanh 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 thuoc va hanh thai ve triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang ((hoa hoi) or (hoa doi)). hieu ve nam thuoc va hanh thai ve triet*.