Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cau tren » cu tren, dau tren, ca tren
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
cau tuc » cau truc, cau tu, cau luc
tuc van » thuc van, truc van, tuc va
y nang » ky nang, ly nang, v nang
va cau » van cau, va cac, va dau
vi cau » ve cau, di cau, viet cau

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 y nang xa hoi. lieu va cau tuc van hanh vi cau tren~.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. lieu va cau tuc van hanh vi cau tren*.