Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cau triet » cau trieu, su triet, cua triet
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh loi
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
hac duc » hoc duc, ha duc, thach duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu van hac duc va ((hanh lai) or (thanh lap)) cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu van hac duc va ((hanh lai) OR (thanh lap)) cau triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu van hac duc va ((hanh lai) or (thanh lap)) cau triet*.