Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
toc sach » hoc sach, doc sach, thuoc sach
phan lap » phan dau
hang tai » hang va, dung tai
ban phan » ban phap, van phan, ban than
cua tre » cuu tre, cua triet, dua tren
luc ban » duc ban, cuc ban, luc bat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tai hoi » tai khoi, dai hoi, tai hai
ty hang » ly hang, ty xang, thi hang
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: ((te sach) or (toc sach)) ty hang tai 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: ((te sach) OR (toc sach)) ty hang tai hoi. hieu ve cham luc ban phan lap ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty hang tai hoi. hieu ve cham luc ban phan lap ((cua tre) or (cua te))*.