Perhaps you should try some spelling variations:
thien van » thi van
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
chat xuc » chat huu, chao xu, chat cua
van hanh » van thanh, ban hanh, van anh
hanh lam » thanh lap, hanh kem, hanh va
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
lam va » nam va, dam va, lam ha
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. thien van ((chat xuc) or (cam xuc)) van hanh lam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thi nang x hoi. thien van ((chat xuc) OR (cam xuc)) van hanh lam va triet.
• Adding a wildcard symbol may retrieve word variants: su sach thi nang x hoi. thien van ((chat xuc) or (cam xuc)) van hanh lam va triet*.