Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua cac, va cham, qua cua
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
qua hai » qua hoat
vi cua » vai cua, di 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: su sach ky nang x hoi. hieu ((qua cham) or (qua hai)) xuc ((va thanh) or (van hanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu ((qua cham) OR (qua hai)) xuc ((va thanh) OR (van hanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu ((qua cham) or (qua hai)) xuc ((va thanh) or (van hanh)) vi cua triet*.