Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
van hanh » van thanh, ban hanh, van anh
hanh hai » thanh hai, nhanh hai, hang hai
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
hai cau » hai chau, hai chu, hai hau
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, va cam
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: so sach y nang o hoi. hieu ve cam xuc van hanh hai cau triet~.
• Adding a wildcard symbol may retrieve word variants: so sach y nang o hoi. hieu ve cam xuc van hanh hai cau triet*.