Perhaps you should try some spelling variations:
cham luc » nhan luc, cham cuu, chat lua
sang tao » hang tai
ban phan » ban phap, van phan, ban than
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ty sang » ty xang, ty hang, duy sang
cua su » qua su

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 ty sang tao hoi. hieu ve ((cham luc) or (cham soc)) ban phan tu ((cua tre) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty sang tao hoi. hieu ve ((cham luc) OR (cham soc)) ban phan tu ((cua tre) OR (cua su)).
• Adding a wildcard symbol may retrieve word variants: te sach ty sang tao hoi. hieu ve ((cham luc) or (cham soc)) ban phan tu ((cua tre) or (cua su))*.