Perhaps you should try some spelling variations:
van triet » va triet, van thiet, van trieu
canh tay » canh tac, thanh tay, anh ta
van hanh » van thanh, ban hanh, van anh
hanh vu » hanh vi, hanh va, hanh tu
tuc van » thuc van, truc van, tuc va
va cham » va chat, va tham
te sach » toc sach
ve cham » ve chat, vu cham, ve chim
tay hoi » tay ho, tao hoi, tay thai
ve cam » ve cac, va cam, ve cai
vu van » tu van

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 canh tay hoi. hieu ((ve cam) or (((ve cham) OR (va cham)))) tuc van hanh vu van triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y canh tay hoi. hieu ((ve cam) OR (((ve cham) OR (va cham)))) tuc van hanh vu van triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y canh tay hoi. hieu ((ve cam) or (((ve cham) OR (va cham)))) tuc van hanh vu van triet*".