Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
lang van » dang van, tang van, hoang van
cham cuu » cap cuu, chat cua
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
cuu ban » cuu van, cua ban, cuu san
sach ky » sac ky, sach y, sach kem
van hoi » van hoa, van hoc, van hoe
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
vi 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: tu ((sach ky) OR (sach ty)) lang van hoi. hieu ve cham cuu ban danh ((vi cua) or (vai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) lang van hoi. hieu ve cham cuu ban danh ((vi cua) OR (vai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) lang van hoi. hieu ve cham cuu ban danh ((vi cua) or (vai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) lang van hoi. hieu ve cham cuu ban danh ((vi cua) or (vai cua)) triet*.