Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
su cham » su pham, tu cham, vu cham
hieu su » hieu sau, tieu su, hieu so
nang ma » tang ma, sang ma, nang cao
sach v » sach va, sach 2, sach vay
va dan » ca dan, va dau, va dap
va dao » ca dao
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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: te ((sach v) OR (sach y)) nang ma hoa. hieu su cham luc ((va dan) OR (va dao)) vi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) or (sach y)) nang ma hoa. hieu su cham luc ((va dan) OR (va dao)) vi cua tu~".
• Adding a wildcard symbol may retrieve word variants: te ((sach v) or (sach y)) nang ma hoa. hieu su cham luc ((va dan) OR (va dao)) vi cua tu*.