Perhaps you should try some spelling variations:
nhan luc » nang luc
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
te sach » toc sach
hieu ca » hieu cac, hieu cua, hieu va
van anh » van thanh, tuan anh
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: ((su sach) or (te sach)) ky nang x hoi. hieu ca nhan luc ((van anh) OR (van minh)) ve cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang x hoi. hieu ca nhan luc ((van anh) OR (van minh)) ve cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky nang x hoi. hieu ca nhan luc ((van anh) OR (van minh)) ve cua viet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang x hoi. hieu ca nhan luc ((van anh) OR (van minh)) ve cua viet*.