Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
tu quang » vu quang, chu quang, bui quang
hieu sau » hieu su, hieu suat, tieu su
sau chao » sau cho, sau chan, cau cham
van hanh » van thanh, ban hanh, van anh
tu lang » cu lang, tu lanh, xu lang
ky sang » ky nang, ky dang, ky tang
lai hoi » dai hoi, lai hoa, lai roi
xu van » tu van, vu van, su van
vi cua » vai cua, di cua
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 quang) or (tu lang)) ky sang lai hoi. hieu sau chao xu van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu quang) OR (tu lang)) ky sang lai hoi. hieu sau chao xu van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu quang) or (tu lang)) ky sang lai hoi. hieu sau chao xu van hanh vi cua te*.