Perhaps you should try some spelling variations:
tham luc » than luc, tham nuoc, tham thuc
ban hanh » ban hang
su triet » su viet, su tien, ve triet
ky tang » ky dang, kho tang, ky trong
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va
luc ban » duc ban, cuc ban, luc bat
hanh va » hang va, hanh vi
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky tang) OR (ky nang)) van hoi. ((hieu va) or (hieu qua)) tham luc ban hanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky tang) OR (ky nang)) van hoi. ((hieu va) OR (hieu qua)) tham luc ban hanh va su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky tang) OR (ky nang)) van hoi. ((hieu va) or (hieu qua)) tham luc ban hanh va su triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky tang) OR (ky nang)) van hoi. ((hieu va) or (hieu qua)) tham luc ban hanh va su triet*.