Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
ban hanh » ban hang
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
hai cua » thai cua, dai cua, hoi cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
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 sang mai hoi. hieu ve cac xuc ((ban hanh) or (va danh)) hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang mai hoi. hieu ve cac xuc ((ban hanh) OR (va danh)) hai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang mai hoi. hieu ve cac xuc ((ban hanh) or (va danh)) hai cua te*.