Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
nang mai » nang ma, nang tai, lang mai
thanh le » thinh le, thanh ve, thanh de
ve cham » va cham, ve chat, vu cham
thu van » thuc van, thuy van, tu van
su sach » so sach, vu sach
mai hoi » mai khoi, dai hoi, lai hoi
y nang » ky nang, ly nang, v nang
ve cai » ve cac, ve tai, ve cau
le cua » ly cua
va cai » va cac, va bai, va dai

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 y nang mai hoi. hieu ((((ve cai) OR (va cai))) or (ve cham)) thu van thanh le cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang mai hoi. hieu ((((ve cai) OR (va cai))) OR (ve cham)) thu van thanh le cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang mai hoi. hieu ((((ve cai) OR (va cai))) or (ve cham)) thu van thanh le cua triet*".