Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
sach trien » sach tien, sach tren, sach thieu
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
quang xa » quan xa, quang ma, quang va
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
van cho » van chi, san cho, van chat
cuu tre » cua tre, cau tren, cau treo
cho su » cho sua, cao su, cho du
su van » tu van, vu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach trien quang xa hoi. hieu van cho su van thanh vi ((cuu tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach trien quang xa hoi. hieu van cho su van thanh vi ((cuu tre) OR (cua triet))*.