Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nhan luc » nang luc
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
dan van » dang van, doan van, dao van
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
x hoi » o hoi, x ho, 5 hoi
hoa » khoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ly nang ((x hoi) OR (xa hoi)). hieu va nhan luc va dan van hoa viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ly nang ((x hoi) OR (xa hoi)). hieu va nhan luc va dan van hoa viet".
• Adding a wildcard symbol may retrieve word variants: thu sach ly nang ((x hoi) OR (xa hoi)). hieu va nhan luc va dan van hoa viet*.