Perhaps you should try some spelling variations:
van khanh » van thanh, van hanh, van anh
nha thuoc » nha nuoc, nhan thuc, nha hoc
thi nang » thi cong, ki nang, thi hanh
van hang » van khang, van hoang, van thang
thu san » thuy san, thu ban, phu san
thi van » thi lan, thi hanh
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
san ky » sang ky, van ky, dan ky
ha hoi » hoa hoi, ha noi, xa hoi
di cua » dai cua, doi cua, de cua

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: thu san ky dang ha hoi. ((thi van) OR (thi nang)) nha thuoc ((van hang) OR (van khanh)) di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky dang ha hoi. ((thi van) OR (thi nang)) nha thuoc ((van hang) or (van khanh)) di cua tre~".
• Adding a wildcard symbol may retrieve word variants: thu san ky dang ha hoi. ((thi van) OR (thi nang)) nha thuoc ((van hang) or (van khanh)) di cua tre*.