Perhaps you should try some spelling variations:
giang van » hoang van, dang van, gian dan
tang van » dang van, hoang van, trong van
ban hanh » ban hang
bo sach » co sach, hoc sach
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
sach tu » sach thu, cach tu, sach ty
va cam » va cham, va cac, va cao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach tu ((giang van) or (tang van)) hoi. hieu va cam xuc ((va danh) or (ban hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach tu ((giang van) OR (tang van)) hoi. hieu va cam xuc ((va danh) OR (ban hanh)) vai cua te.
• Adding a wildcard symbol may retrieve word variants: bo sach tu ((giang van) or (tang van)) hoi. hieu va cam xuc ((va danh) or (ban hanh)) vai cua te*.