Perhaps you should try some spelling variations:
thien van » thi van
va triet » va thiet, va trien, ve triet
van hanh » van thanh, ban hanh, van anh
van nhan » van phan, van thanh, danh nhan
nhan luc » nang luc
va danh » va dinh, va dan, dia danh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va hanh » va thanh, ban hanh, dao hanh
doi va » hoi va, noi va, dai 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 ky lang xa hoi. thien van nhan luc ((((va hanh) OR (va danh))) or (van hanh)) doi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. thien van nhan luc ((((va hanh) OR (va danh))) OR (van hanh)) doi va triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. thien van nhan luc ((((va hanh) OR (va danh))) or (van hanh)) doi va triet*".