Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
ve ve » va ve, ke ve, ve ke

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 hanh ((ve ve) OR (de ve)) triet~.
• 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 hanh ((ve ve) OR (de ve)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh ((ve ve) OR (de ve)) triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. ((hieu ve) or (hieu va)) cam xuc va hanh ((ve ve) OR (de ve)) triet*.