Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh ca » dan ca, doanh cua, danh cho
va danh » va dinh, va dan, va hanh
cac bac » cac bai, cac ban, cac cach
hieu va » lieu va, hieu qua
te sach » toc sach
cac dac » cac dan, cac dai, cac tac
y nang » ky nang, ly nang, v nang
me hoi » le hoi
ca cua » co cua

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 ((me hoi) or (ma hoa)). hieu va ((cac dac) OR (cac bac)) va danh ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((me hoi) OR (ma hoa)). hieu va ((cac dac) OR (cac bac)) va danh ca cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((me hoi) or (ma hoa)). hieu va ((cac dac) OR (cac bac)) va danh ca cua triet*".