Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua nhan » cua nhan, qua nhat, qua phan
nhan luc » nang luc
hanh doi » thanh doi, hanh noi, hang doi
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoi. hieu qua nhan luc va hanh doi ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu qua nhan luc va hanh doi ((cua tre) OR (cua triet))*.