Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van tham » van thanh, van tuan, van chat
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
va tham » va cham, va thanh, va thuat
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
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 y nang ma hoi. lieu ((va tham) or (van tham)) soc va danh di ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. lieu ((va tham) OR (van tham)) soc va danh di ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. lieu ((va tham) or (van tham)) soc va danh di ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. lieu ((va tham) or (van tham)) soc va danh di ((cua tre) OR (cua triet))*.