Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
dua tren » dung tren
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
cao qua » cao quan, cau qua, cac qua
qua ban » cua ban, qua quan
ve cao » va cao, ve bao, ve cac
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang x hoi. hieu ve cao qua ban thanh tai ((dua tren) OR (cua tu))~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky nang x hoi. hieu ve cao qua ban thanh tai ((dua tren) or (cua tu))*.