Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
thu tang » thu trang, thu thang, thu hang
sanh thu » sach thu, san thu, doanh thu
pham duy » pham duc
so sanh » do sanh
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
van hoi » van hoc, van hoe, van loi
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh thu tang ((van hoi) OR (van hoa)). hieu va pham duy ((va thanh) or (ban thanh)) vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thu tang ((van hoi) OR (van hoa)). hieu va pham duy ((va thanh) OR (ban thanh)) vi cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh thu tang ((van hoi) OR (van hoa)). hieu va pham duy ((va thanh) or (ban thanh)) vi cua tu".
• Adding a wildcard symbol may retrieve word variants: so sanh thu tang ((van hoi) OR (van hoa)). hieu va pham duy ((va thanh) or (ban thanh)) vi cua tu*.