Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
nhan luu » nhan luc, nhan lupus, nhan luan
luu van » cuu van, luan van, luu hanh
te sach » toc sach
hieu va » hieu qua
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van 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) or (v nang)) ma hoi. ((hieu va) or (lieu va)) nhan luu van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (v nang)) ma hoi. ((hieu va) OR (lieu va)) nhan luu van hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) ma hoi. ((hieu va) or (lieu va)) nhan luu van hanh vi cua triet*.