Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va
sach ty » sach y, sach tu, sach thu
xuc van » duc van, xuc ban, thuc van
luc van » luoc van, luu van, duc van
tu sach » thu sach, su sach, te sach
ma hoi » mai hoi, xa hoi, ma hoa
anh di » danh di, xanh di, anh d
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ma hoi. ((hieu ve) OR (hieu van)) cam ((xuc van) OR (luc van)) anh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ma hoi. ((hieu ve) OR (hieu van)) cam ((xuc van) or (luc van)) anh di cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. ((hieu ve) OR (hieu van)) cam ((xuc van) or (luc van)) anh di cua triet*.