Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va
cac duc » cac du, cao duc, cac dac
phan su » phan suc, phan tu, nhan su
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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