Perhaps you should try some spelling variations:
nhan luc » nang luc
va triet » va thiet, va trien, ve triet
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve nhan » ve nha, de nhan, va nhan
va danh » va dinh, va dan, va hanh
danh su » dang su, dan su, danh tu
luc va » duc va, tuc va, loc va
su va » su van, tu va

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 (su sach)) ky nang xa hoi. hieu ve nhan luc va danh su va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu ve nhan luc va danh su va triet*.