Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
sang lai » sang tai, sang lap, mang lai
hieu su » hieu sau, hieu so, hieu suat
tieu su » thieu so
lai hoi » dai hoi, lai hoa, lai roi
vi cua » vai cua, di cua
sac ky » cac ky
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 ((sac ky) OR (sai ky)) sang lai hoi. ((hieu su) or (tieu su)) chao xu va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) sang lai hoi. ((hieu su) OR (tieu su)) chao xu va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (sai ky)) sang lai hoi. ((hieu su) or (tieu su)) chao xu va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (sai ky)) sang lai hoi. ((hieu su) or (tieu su)) chao xu va thanh vi cua te*.