Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dan » thanh san, thanh van, thanh dat
cua triet » cua viet, su triet, va triet
chat dua » chat cua, chat lua, chay dua
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
dua ban » dia ban, cua ban, qua ban
dan cua » dan ca, ban cua, dai cua

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 tu ((nang xa) or (nang x)) hoi. hieu va chat dua ban thanh dan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu ((nang xa) OR (nang x)) hoi. hieu va chat dua ban thanh dan cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach tu ((nang xa) or (nang x)) hoi. hieu va chat dua ban thanh dan cua triet*.