Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
dau truc » cau truc, dai truc, doan truc
hanh dao » lanh dao, thanh dat, thanh dam
van hanh » van thanh, ban hanh, van anh
truc van » truc va, thuc van, truc ban
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
sach v » sach va, sach y, sach 2
ma hoi » xa hoi, ma hoa, me hoi
v nang » va nang, vu nang, van nang
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach v nang ((ma hoi) or (mai hoi)). lieu va dau truc van hanh dao ((cua triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang ((ma hoi) OR (mai hoi)). lieu va dau truc van hanh dao ((cua triet) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v nang ((ma hoi) or (mai hoi)). lieu va dau truc van hanh dao ((cua triet) OR (va triet))*".