Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tham thuc » nham thuc, pham thuc, tam thuc
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
van hanh » ban hanh, van anh, van ban
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
y nang » ky nang, ly nang, v nang
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: hoc sach y nang xa hoi. hieu va tham thuc ((van hanh) OR (van thanh)) vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang xa hoi. hieu va tham thuc ((van hanh) OR (van thanh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang xa hoi. hieu va tham thuc ((van hanh) OR (van thanh)) vi cua triet*.