Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
cam thuc » am thuc, nam thuc, cam thu
thanh vi » hanh vi, thanh va, thanh ve
thuc ban » thuoc ban, thuc dan, thu ban
thu sach » thuat sach, thuoc sach, thu hoach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
tu sach » su sach, tu cach, vu sach
te sach » toc sach
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (((thu sach) OR (tu sach)))) ky nang xa hoi. hieu va cam thuc ban thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (((thu sach) OR (tu sach)))) ky nang xa hoi. hieu va cam thuc ban thanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (((thu sach) OR (tu sach)))) ky nang xa hoi. hieu va cam thuc ban thanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (((thu sach) OR (tu sach)))) ky nang xa hoi. hieu va cam thuc ban thanh vi cua triet*.