Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
cua triet » cua viet, su triet, va triet
cam thuc » am thuc, nam thuc, cam thu
dao hanh » dao thanh, dang hanh, ban hanh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, dua tren
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang xa hoi. lieu va cam thuc ((dao hanh) or (danh nhan)) di ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. lieu va cam thuc ((dao hanh) OR (danh nhan)) di ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. lieu va cam thuc ((dao hanh) or (danh nhan)) di ((cua tre) or (cua triet))*.