Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, dua tren
cam tuc » cam xuc, cam tu, nam thuc
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
mang xa » lang xa, mang may, dang xay
tuc va » thuc va, truc va, tuc xa
va cam » va cham, va cac, va cao

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 ty ((mang xa) or (nang x)) hoi. hieu va cam tuc va thanh de ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((mang xa) OR (nang x)) hoi. hieu va cam tuc va thanh de ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((mang xa) or (nang x)) hoi. hieu va cam tuc va thanh de ((cua tre) OR (cua triet))*".