Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
danh vai » danh sai, danh va, doanh van
hieu su » hieu sau, tieu su, hieu so
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
ky sang » ky nang, ky dang, ky tang
lai hoa » dai hoa, loai hoc
tu san » thu san, tu ban, vu san
tu can » tu ban, tu cac, thu canh
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 can)) ky sang lai hoa. ((hieu su) or (hieu va)) chao xu va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu can)) ky sang lai hoa. ((hieu su) OR (hieu va)) chao xu va danh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu can)) ky sang lai hoa. ((hieu su) or (hieu va)) chao xu va danh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu can)) ky sang lai hoa. ((hieu su) or (hieu va)) chao xu va danh vai cua te*.