Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh tai » thanh hai, doanh tai, thanh san
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cau » van dau, van hau, van chat
cau tuc » cau truc, cau tu, cau luc
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
tuc va » thuc va, truc va, tuc xa

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 xa hoi. hieu van cau tuc va ((thanh tai) OR (thanh toan)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ky lang xa hoi. hieu van cau tuc va ((thanh tai) OR (thanh toan)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su xac ky lang xa hoi. hieu van cau tuc va ((thanh tai) OR (thanh toan)) cua triet*.