Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuoc sach, thu hoach
tham luc » than luc, tham nuoc, tham thuc
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
va tham » van tham, va cham, va thanh
luc van » luoc van, luu van, duc van
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: ((thu sach) OR (thuat sach)) ky nang xa hoi. lieu va tham luc van hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) ky nang xa hoi. lieu va tham luc van hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuat sach)) ky nang xa hoi. lieu va tham luc van hanh vi cua triet*.