Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam truc » cau truc, lam truoc, nam truoc
van hanh » van thanh, ban hanh, van anh
van nang » van quang, van ban, van dong
nam truc » nam truoc, nam thuc, nam trung
hanh em » hanh kem, anh em, hanh lam
vu sach » vu bach, vu khach
hieu ve » hieu va, hieu van
su sach » so sach
em cua » diem cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (su sach)) van nang x hoi. hieu ve ((cam truc) or (nam truc)) van hanh em cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) van nang x hoi. hieu ve ((cam truc) OR (nam truc)) van hanh em cua triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) van nang x hoi. hieu ve ((cam truc) or (nam truc)) van hanh em cua triet*.