Perhaps you should try some spelling variations:
cham sac » cham soc, pham sach, cap sac
tu sach » thu sach, su sach, tu cach
minh va » tinh va, sinh va, sinh vat
sac van » cac van, san van, sat van
hieu su » hieu sau, tieu su, hieu so
huu tre » huu tri, cuu tre, huu them
hieu vu » hieu va, hieu ve, dieu vu
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
va huu » vu huu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky lang xa hoi. ((hieu vu) OR (hieu su)) cham sac van minh va huu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky lang xa hoi. ((hieu vu) or (hieu su)) cham sac van minh va huu tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky lang xa hoi. ((hieu vu) or (hieu su)) cham sac van minh va huu tre*.