Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
ban nhan » ban than, van nhan, ban thanh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
cua tre » cuu tre, cua triet, dua tren
va hoi » xa hoi, va hoc, va hoa
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 ty hang va hoi. hieu vu cham luc ((ban nhan) or (ban phap)) lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty hang va hoi. hieu vu cham luc ((ban nhan) OR (ban phap)) lap ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach ty hang va hoi. hieu vu cham luc ((ban nhan) or (ban phap)) lap ((cua tre) or (cua te))*.