Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
canh may » canh tay, hanh may, mang may
may nang » may nong, ky nang, cam nang
day hanh » day nhanh, dao hanh, day manh
hai cua » thai cua, dai cua, hoi cua
so canh » so sanh, bo canh, so danh
ve pham » vi pham, ve phan, ve phat
cua tre » cua te, cuu tre, cua triet
v pham » vi pham, d pham
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: so canh may nang x hoi. hieu ((ve pham) OR (v pham)) thuc ((day hanh) or (day thanh)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so canh may nang x hoi. hieu ((ve pham) OR (v pham)) thuc ((day hanh) OR (day thanh)) hai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so canh may nang x hoi. hieu ((ve pham) OR (v pham)) thuc ((day hanh) or (day thanh)) hai cua tre*".