Perhaps you should try some spelling variations:
sang kyo » sang tao, dang ky, sang cho
sang lai » sang tai, sang lap, mang lai
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
sang ky » dang ky, tang ky, bang ky
lai hoa » dai hoa, loai hoc
hieu su » hieu sau, tieu su, hieu so
su chao » su cao, sau chan
lai cua » dai cua, hai cua, lai chau
xu van » tu van, vu van, su van
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 ((sang ky) or (sang kyo)) sang lai hoa. hieu su chao xu van hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sang ky) OR (sang kyo)) sang lai hoa. hieu su chao xu van hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) or (sang kyo)) sang lai hoa. hieu su chao xu van hanh lai cua te*.