Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh lap » thanh san, phan lap, thanh van
cua triet » cua viet, su triet, va triet
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
dao duc » giao duc, tao duoc
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve dao » de dao, va dao, ve bao

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 tang xa hoi. hieu ve dao duc va ((thanh lap) or (thanh hai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang xa hoi. hieu ve dao duc va ((thanh lap) OR (thanh hai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang xa hoi. hieu ve dao duc va ((thanh lap) or (thanh hai)) cua triet*.