Perhaps you should try some spelling variations:
dang khai » dang khoi, quang khai, dang thi
dang hai » hang hai, dung hai, dong hai
phat xuc » chat xuc, phat xuat, phap xu
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
tai cua » thai cua, tai cuc, tri cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai 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 sac ky ((dang hai) or (dang khai)) hoi. hieu va phat xuc ban hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang hai) OR (dang khai)) hoi. hieu va phat xuc ban hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang hai) or (dang khai)) hoi. hieu va phat xuc ban hanh tai cua te*.