Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
day hanh » day nhanh, day thanh, day manh
da thanh » dao thanh, dat thanh, dam thanh
dao hanh » dao thanh, dang hanh, ban hanh
cuu tre » cua tre, cau tren, cau treo
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sac ky » cac ky, sai ky
di cuu » di cau, di cua, dinh cuu
vu sac » vu sach, vu san, va sac
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: vu sac ky nang x hoi. hieu ve cham thuc ((((day hanh) or (dao hanh))) or (da thanh)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang x hoi. hieu ve cham thuc ((((day hanh) OR (dao hanh))) OR (da thanh)) di cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang x hoi. hieu ve cham thuc ((((day hanh) or (dao hanh))) or (da thanh)) di cuu tre*.