Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ban thanh » ban hanh, ban hang
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
cam thuc » am thuc, nam thuc, cam thu
thuc ban » thuoc ban, thuc dan, thu ban
nang xa » nang x, lang xa, nang ma
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: ((vay khach) or (thuat sach)) ky nang xa hoi. lieu va cam thuc ban thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vay khach) OR (thuat sach)) ky nang xa hoi. lieu va cam thuc ban thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((vay khach) or (thuat sach)) ky nang xa hoi. lieu va cam thuc ban thanh dai cua triet*.