Perhaps you should try some spelling variations:
hanh dao » lanh dao, thanh dat, thanh dam
ky dang » ky danh
ve cham » va cham, ve chat, vu cham
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
dao huu » do huu
huu tre » huu tri, cuu tre, huu them
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ((ky dang) or (ky nang)) van hoa. hieu ((ve cam) OR (ve cham)) truc va hanh dao huu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ((ky dang) OR (ky nang)) van hoa. hieu ((ve cam) OR (ve cham)) truc va hanh dao huu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ((ky dang) or (ky nang)) van hoa. hieu ((ve cam) OR (ve cham)) truc va hanh dao huu tre".
• Adding a wildcard symbol may retrieve word variants: vu bach ((ky dang) or (ky nang)) van hoa. hieu ((ve cam) OR (ve cham)) truc va hanh dao huu tre*.