Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc gia » luoc gia, duc gia, quoc gia
dam cua » dai cua, day cua, dan cua

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 ((ky sang) OR (ky tang)) ma hoa. hieu va cham luc gia thanh ((dam cua) or (nam cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky tang)) ma hoa. hieu va cham luc gia thanh ((dam cua) OR (nam cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) OR (ky tang)) ma hoa. hieu va cham luc gia thanh ((dam cua) or (nam cua)) te".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) OR (ky tang)) ma hoa. hieu va cham luc gia thanh ((dam cua) or (nam cua)) te*.