Perhaps you should try some spelling variations:
ve triet » va trien, su triet
danh sai » dung sai, danh bat, danh dau
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
ky lang » ky nang, ky dang, ky tang
xuc va » duc va, tuc va, luc va
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc va danh sai ((ve triet) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va danh sai ((ve triet) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc va danh sai ((ve triet) or (cua cu))*.