Perhaps you should try some spelling variations:
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
cham luc » cham soc, nhan luc, cham cuu
luc van » luoc van, luu van, duc van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
hoc anh » hoc nganh, hoc nhanh, ngoc anh
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
vi ve » va ve, gi ve, ve ve

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 (hoc anh)) v ((nang xa) OR (lang xa)) hoi. hieu va cham luc van hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (hoc anh)) v ((nang xa) OR (lang xa)) hoi. hieu va cham luc van hanh vi ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (hoc anh)) v ((nang xa) OR (lang xa)) hoi. hieu va cham luc van hanh vi ve triet*".