Perhaps you should try some spelling variations:
nhan luc » nang luc
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
luc van » luoc van, luu van, duc van
minh ve » dinh ve, minh va, kinh ve
y nang » ky nang, ly nang, v nang
ve ve » de ve, va ve, ke ve

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 y nang xa hoi. ((hieu va) or (lieu va)) nhan luc van minh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu va) OR (lieu va)) nhan luc van minh ve ve triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. ((hieu va) or (lieu va)) nhan luc van minh ve ve triet*.