Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
hieu vu » hieu va, hieu ve, hieu su
nang ho » nang hoc, nang co, tang ho
su sach » so sach, vu sach
vu cham » va cham, vu kham, tu cham
ho hoi » hoc hoi, hoa hoi, hoi hoi
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: ((te sach) or (su sach)) ky nang ho hoi. hieu vu cham tuc va thanh di ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky nang ho hoi. hieu vu cham tuc va thanh di ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (su sach)) ky nang ho hoi. hieu vu cham tuc va thanh di ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) ky nang ho hoi. hieu vu cham tuc va thanh di ((cua triet) OR (su triet))*.