Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
ban hanh » ban hang
tru nang » tra nang, tri nang, truc nano
hieu van » hieu va, thien van, lieu va
sach tru » sach truc, sach thu, sach tu
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tru nang xa hoi. hieu van cac xuc ((va hanh) or (ban hanh)) di ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tru nang xa hoi. hieu van cac xuc ((va hanh) OR (ban hanh)) di ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tru nang xa hoi. hieu van cac xuc ((va hanh) or (ban hanh)) di ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sach tru nang xa hoi. hieu van cac xuc ((va hanh) or (ban hanh)) di ((cua triet) OR (cua viet))*.