Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang mai » nang ma, nang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
sach ly » sach y, sach lo, sach ty
dinh vi » dinh ve, dinh viet, dinh tri
danh vi » hanh vi, danh di, danh va
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac
xuc va » duc va, tuc va, xac va

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 ly nang mai khoi. hieu ve cac ((xuc va) or (luc va)) ((danh vi) OR (dinh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang mai khoi. hieu ve cac ((xuc va) OR (luc va)) ((danh vi) OR (dinh vi)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang mai khoi. hieu ve cac ((xuc va) or (luc va)) ((danh vi) OR (dinh vi)) cua triet*".