Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
lai hoi » dai hoi, lai hoa, lai roi
hieu ve » hieu va, hieu van
ky sang » ky nang, ky dang, ky tang
tu san » thu san, tu ban, tu can
luc va » duc va, tuc va, loc va
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 sach) or (tu san)) ky sang lai hoi. ((hieu ve) or (lieu va)) cam luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (tu san)) ky sang lai hoi. ((hieu ve) OR (lieu va)) cam luc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (tu san)) ky sang lai hoi. ((hieu ve) or (lieu va)) cam luc va hanh vi cua te*.