Perhaps you should try some spelling variations:
quoc ban » quoc bao, quoc lan, quoc quan
hanh vai » hanh vi, hanh va, hanh tai
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
xuc ban » duc ban, cuc ban, xuat ban
vai cua » dai cua, hai cua, lai cua
san ky » sang ky, dan ky, ban ky
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: tu ((san ky) or (van ky)) tang ma hoa. hieu va chat ((xuc ban) or (quoc ban)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (van ky)) tang ma hoa. hieu va chat ((xuc ban) OR (quoc ban)) hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((san ky) or (van ky)) tang ma hoa. hieu va chat ((xuc ban) or (quoc ban)) hanh vai cua te*.