Perhaps you should try some spelling variations:
sach trien » sach tien, sach tren, sach thieu
trien quan » trien quang, thien quan, truyen quan
doanh bat » danh bat, doanh tai, doanh va
hieu van » hieu va, thien van, lieu va
cham duc » pham duc, cham soc, pham duy
va doanh » van doanh, vay doanh, va danh
tu sach » thu sach, su sach, te sach
quan xa » quan ha, quan va, quan cua
hieu ve » hieu va
bat cuu » bat cu, bat cua
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach trien quan xa hoi. ((hieu ve) or (hieu van)) cham duc va doanh bat cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach trien quan xa hoi. ((hieu ve) OR (hieu van)) cham duc va doanh bat cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach trien quan xa hoi. ((hieu ve) or (hieu van)) cham duc va doanh bat cuu tre*.