Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
nhan luc » nang luc
hieu va » lieu va, hieu qua
va nhan » van nhan, ca nhan, va phan
luc van » luoc van, luu van, duc van
van anh » van thanh, tuan anh, van minh
tu sach » thu sach, su sach, tu cach
anh ve » hanh ve, anh va, anh viet
ve cua » le cua, de cua, te cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (((te sach) OR (toc sach)))) ky nang x hoi. hieu va nhan luc van anh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (((te sach) OR (toc sach)))) ky nang x hoi. hieu va nhan luc van anh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (((te sach) OR (toc sach)))) ky nang x hoi. hieu va nhan luc van anh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (((te sach) OR (toc sach)))) ky nang x hoi. hieu va nhan luc van anh ve cua triet*.