Perhaps you should try some spelling variations:
ban hanh » ban hang
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, van anh, van ban
su chat » su phat, du chat, so chat
ky sang » ky nang, ky dang, ky tang
tai hoi » tai khoi, dai hoi, tai hoe
vai cua » dai cua, hai cua, lai cua
tai hai » thi hai, dai hai, tai ha
hieu su » hieu sau, tieu su, hieu so
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 sang ((tai hoi) OR (tai hai)). hieu su chat xuc ((van hanh) or (ban hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((tai hoi) OR (tai hai)). hieu su chat xuc ((van hanh) OR (ban hanh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang ((tai hoi) OR (tai hai)). hieu su chat xuc ((van hanh) or (ban hanh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((tai hoi) OR (tai hai)). hieu su chat xuc ((van hanh) or (ban hanh)) vai cua te*.