Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, sang mai
hieu sau » hieu su, hieu suat, tieu su
sau chao » sau cho, sau chan, cau cham
ky sang » ky nang, ky dang, ky tang
dai hoi » dai hoc, dai hai, dai moi
va hanh » van hanh, va thanh, va danh
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban
vi cua » vai cua, di cua
cua te » cua tu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky sang dai hoi. hieu sau chao xu va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky sang dai hoi. hieu sau chao xu va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky sang dai hoi. hieu sau chao xu va hanh vi cua te*.