Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
thanh lap » thanh san, phan lap, thanh hai
hanh lai » hanh lam, hanh tai, thanh loi
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
vu nhan » cu nhan, vu ngan, va nhan
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
tu nhan » tue nhan, cu nhan, tu ngan
luc va » duc va, tuc va, loc va

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 ly nang xa hoi. hieu ((vu nhan) OR (tu nhan)) luc va ((hanh lai) or (thanh lap)) chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. hieu ((vu nhan) OR (tu nhan)) luc va ((hanh lai) OR (thanh lap)) chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. hieu ((vu nhan) OR (tu nhan)) luc va ((hanh lai) or (thanh lap)) chau triet".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang xa hoi. hieu ((vu nhan) OR (tu nhan)) luc va ((hanh lai) or (thanh lap)) chau triet*.