Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
van hanh » van thanh, ban hanh, van ban
van anh » van thanh, tuan anh, van minh
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
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 thi nang x hoi. hieu ((ve cam) or (ve cham)) xuc ((van hanh) or (van anh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thi nang x hoi. hieu ((ve cam) OR (ve cham)) xuc ((van hanh) OR (van anh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach thi nang x hoi. hieu ((ve cam) or (ve cham)) xuc ((van hanh) or (van anh)) vi cua triet*.