Perhaps you should try some spelling variations:
hanh chung » hanh nhung, lanh chung, thanh chuong
thuat sach » thuat lanh, thuat san
cu triet » cua triet, cau triet, su triet
nang co » nang cao, nang doc, nang noi
hieu va » lieu va
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi
nuoc » quoc, duoc, ngoc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang co hoi. ((hieu va) OR (hieu qua)) hoc nuoc va hanh chung cu triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang co hoi. ((hieu va) OR (hieu qua)) hoc nuoc va hanh chung cu triet".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang co hoi. ((hieu va) OR (hieu qua)) hoc nuoc va hanh chung cu triet*.