Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh lap » thanh san, phan lap, thanh hai
su triet » su viet, su tien, ve triet
cao duc » dao duc, cao suc, giao duc
hieu ve » hieu va, hieu van
hoa doi » hoa dai, hoc doi, xoa doi
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
ve cao » va cao, ve bao, ve cac
ha hoi » hoa hoi, ha noi, xa hoi
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang ((ha hoi) or (hoa doi)). hieu ve cao duc va ((thanh lap) or (thanh tai)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang ((ha hoi) OR (hoa doi)). hieu ve cao duc va ((thanh lap) OR (thanh tai)) su triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky lang ((ha hoi) or (hoa doi)). hieu ve cao duc va ((thanh lap) or (thanh tai)) su triet*.