Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
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
cuc ban » cua ban, cac ban, cuu ban
tu phat » su phat, te phat, xu phat
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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) or (tu phat)) cuc ban thanh vai cua tu~.
• 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) OR (tu phat)) cuc ban thanh vai cua tu.
• 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) or (tu phat)) cuc ban thanh vai cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((tai hoi) OR (tai hai)). hieu ((su chat) or (tu phat)) cuc ban thanh vai cua tu*.