Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
thi hanh » thi thanh
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
vai cau » va cau, van cau, vai cac
tuc ban » thuc ban, truc ban, tu ban
cam tuc » cam xuc, cam tu, nam thuc
so sanh » do sanh
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
thi van » thi lan, thi nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sanh) or (thu sach)) ky dang xay hoi. ((thi van) or (thi hanh)) cam tuc ban thanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (thu sach)) ky dang xay hoi. ((thi van) OR (thi hanh)) cam tuc ban thanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (thu sach)) ky dang xay hoi. ((thi van) or (thi hanh)) cam tuc ban thanh vai cau tren*.