Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
ky sang » ky dang, ky tang, duy sang
hieu va » lieu va, hieu qua
dau gia » danh gia, cau giay, mau giao
cua tre » cua te, cuu tre, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
va dau » va dao

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 sang) or (ky nang)) ma hoi. hieu va cam xuc va dau gia ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky nang)) ma hoi. hieu va cam xuc va dau gia ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) or (ky nang)) ma hoi. hieu va cam xuc va dau gia ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky nang)) ma hoi. hieu va cam xuc va dau gia ((cua tre) OR (cua triet))*.