Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
hanh dai » hanh tai, hanh dao, vanh dai
van hanh » van thanh, ban hanh, van anh
truc van » truc va, thuc van, truc ban
vu sach » vu bach, su sach, vu khach
va cham » va chat, va tham
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
sach ky » sac ky, sach y, sach ty
ve cham » ve chat, vu cham, ve chim
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky lang van hoi. hieu ((ve cham) or (va cham)) truc van hanh dai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky lang van hoi. hieu ((ve cham) OR (va cham)) truc van hanh dai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky lang van hoi. hieu ((ve cham) or (va cham)) truc van hanh dai ((cua tre) or (cuu tre))*.