Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va trien » va truyen, va thiet, va tuyen
thanh gi » thanh nghi, thanh gian, thanh hai
sach thu » sach thue, sach thieu, sach tham
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
tang ma » mang may, tang van
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
gi va » bi va, gi la, gi ta

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 y) or (sach thu)) ((nang xa) or (tang ma)) hoi. hieu va cam xuc ban thanh gi va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach thu)) ((nang xa) OR (tang ma)) hoi. hieu va cam xuc ban thanh gi va trien.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach thu)) ((nang xa) or (tang ma)) hoi. hieu va cam xuc ban thanh gi va trien*.