Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
ban hanh » ban hang
va hanh » van hanh, va thanh, va danh
tu tong » tu tuong, tu trong, tu dong
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
su cao » cu cao, vu cao, su co
cao tu » cao thu, co tu, cao su
ve cac » va cac, vien cac
tong o » thong o, trong o, dong o
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cao tu tong o hoi. hieu ve cac xuc ((va hanh) or (ban hanh)) vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cao tu tong o hoi. hieu ve cac xuc ((va hanh) OR (ban hanh)) vi ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: su cao tu tong o hoi. hieu ve cac xuc ((va hanh) or (ban hanh)) vi ((cua triet) or (su triet))*.