Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang mai » nang ma, nang tai, lang mai
nhan duc » nhan duoc, nhan luc, phan duc
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » hieu qua
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di 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 mai hoi. ((hieu va) or (lieu va)) nhan duc van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. ((hieu va) OR (lieu va)) nhan duc van hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. ((hieu va) or (lieu va)) nhan duc van hanh vi cua triet*.