Perhaps you should try some spelling variations:
te sach » toc sach
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
ve cham » va cham, ve chat, vu cham
cua duc » cua tuc, cua nuoc, cua quoc
van hoi » van hoa, van hoc, van hoe
ky danh » ky anh
ky dang » ky nang
vi cua » vai cua, di cua
ve cai » va cai, ve cac, ve tai

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 ((ky dang) or (ky danh)) van hoi. hieu ((ve cai) or (ve cham)) truc va hanh vi cua duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky danh)) van hoi. hieu ((ve cai) OR (ve cham)) truc va hanh vi cua duc.
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) or (ky danh)) van hoi. hieu ((ve cai) or (ve cham)) truc va hanh vi cua duc*.