Perhaps you should try some spelling variations:
vien cac » vien bach, vien da, gian cac
vien dai » hien dai
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc ban
tai cua » thai cua, tai cuc, tri cua
y nang » ky nang, ly nang, v nang
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((vien cac) or (vien dai)) xuc ban hanh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((vien cac) OR (vien dai)) xuc ban hanh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((vien cac) or (vien dai)) xuc ban hanh tai cua tu*.