Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
cuc tieu » muc tieu, cac tieu, cach tieu
dang ha » dong ha, dung ha, lang ha
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
xac ky » cac ky, sac ky
bac ky » cac ky, ban ky, sac ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xac ky) OR (bac ky)) dang ha hoi. hieu va cac xuc ban hanh tai cuc tieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((xac ky) OR (bac ky)) dang ha hoi. hieu va cac xuc ban hanh tai cuc tieu".
• Adding a wildcard symbol may retrieve word variants: su ((xac ky) OR (bac ky)) dang ha hoi. hieu va cac xuc ban hanh tai cuc tieu*.