Perhaps you should try some spelling variations:
hanh may » hanh ma, hanh mau, hanh ngay
va triet » va thiet, va trien, ve triet
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
cao hoc » co hoc, chat hoc
cho hoc » co hoc, khoa hoc
va hanh » van hanh, va thanh, ban hanh
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
ha hoi » hoa hoi, ha noi, xa hoi
may va » may vi, day va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky lang ha hoi. hieu qua ((cao hoc) OR (cho hoc)) va hanh may va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ky lang ha hoi. hieu qua ((cao hoc) OR (cho hoc)) va hanh may va triet".
• Adding a wildcard symbol may retrieve word variants: su xac ky lang ha hoi. hieu qua ((cao hoc) OR (cho hoc)) va hanh may va triet*.