Perhaps you should try some spelling variations:
qua thanh » quan thanh, cua thanh, quang thanh
ban thanh » ban hanh, ban hang
qua tham » qua cham, quan pham, qua hai
qua than » qua phan, qua tan, quan thanh
thanh vi » hanh vi, thanh va, thanh ve
nang ha » nang hai, nang han, nang hoa
soc ban » hoc ban, coc ban, so ban
cuu tre » cua tre, cau tren, cau treo
te cac » tu cac, ve cac, te cao
ha hoi » hoa hoi, ha noi, xa hoi
vi cuu » vi luu, vinh cuu

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: te cac ky nang ha hoi. hieu ((((qua tham) OR (qua than))) OR (qua thanh)) soc ban thanh vi cuu tre~.
• Adding a wildcard symbol may retrieve word variants: te cac ky nang ha hoi. hieu ((((qua tham) or (qua than))) or (qua thanh)) soc ban thanh vi cuu tre*.