Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cua tre » cua te, cuu tre, dua tren
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
ve cham » va cham, ve chat, vu cham
te sach » toc sach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
hieu ve » hieu va, hieu van
sach v » sach va, sach y, sach 2
soc va » hoc va, loc va, doc va

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 v ((nang xa) or (lang xa)) hoi. hieu ve cham soc va danh di ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (lang xa)) hoi. hieu ve cham soc va danh di ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v ((nang xa) or (lang xa)) hoi. hieu ve cham soc va danh di ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) or (lang xa)) hoi. hieu ve cham soc va danh di ((cua tre) OR (cua triet))*.