Perhaps you should try some spelling variations:
ve triet » va trien, su triet
vao truc » vao thuc, bao thuc, dao tru
nang doc » nang luc
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
dao tuc » dao duc
su sach » so sach, vu sach
doc hoi » duoc hoi, hoc hoi, doc hai
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
va ve » va de, va le, va vi

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 v nang doc hoi. lieu va ((((vao truc) OR (cau truc))) or (dao tuc)) va danh va ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang doc hoi. lieu va ((((vao truc) OR (cau truc))) OR (dao tuc)) va danh va ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang doc hoi. lieu va ((((vao truc) OR (cau truc))) or (dao tuc)) va danh va ve triet*".