Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham luc » cham soc, nhan luc, cham cuu
phan lap » phan dau
ban phan » ban phap, van phan, ban than
cua tre » cuu tre, cua triet, dua tren
luc ban » duc ban, cuc ban, luc bat
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ty sang » ty hang, duy sang, thu sang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((ty sang) OR (ty xang)) tao hoi. hieu ve cham luc ban phan lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ty sang) OR (ty xang)) tao hoi. hieu ve cham luc ban phan lap ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((ty sang) OR (ty xang)) tao hoi. hieu ve cham luc ban phan lap ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: toc sach ((ty sang) OR (ty xang)) tao hoi. hieu ve cham luc ban phan lap ((cua tre) or (cua te))*.