Perhaps you should try some spelling variations:
nhan luc » nang luc
hoc sach » hoc sinh, hoc cac, hoc anh
ban hanh » ban hang
luc ban » duc ban, cuc ban, luc bat
cua tre » cua te, cua triet, dua tren
hanh di » hanh vi, hanh de, hang di
tu cach » tu cac
ve nhan » ve nha, de nhan, va nhan
hieu ve » hieu va, hieu van
cuu tre » cau tren, cau treo
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 cach) or (hoc sach)) ky nang x hoi. hieu ve nhan luc ban hanh di ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (hoc sach)) ky nang x hoi. hieu ve nhan luc ban hanh di ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (hoc sach)) ky nang x hoi. hieu ve nhan luc ban hanh di ((cua tre) or (cuu tre))*.