Perhaps you should try some spelling variations:
kho tang » cao tang
va thanh » gia thanh, ban thanh, va tinh
chat cuu » chat huu, chat cua, cham cuu
su chat » su phat, du chat, so chat
va hanh » van hanh, va danh, ban hanh
ky sang » ky nang, ky dang, ky tang
lai roi » lai hoi, loi roi
hieu su » hieu sau, tieu su, hieu so
va cua » va chua, via cua, ca cua
tu sac » tu sach, tu cac, tu san
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 sac ((ky sang) or (kho tang)) lai roi. hieu su chat cuu ((va hanh) OR (va thanh)) va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky sang) OR (kho tang)) lai roi. hieu su chat cuu ((va hanh) OR (va thanh)) va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky sang) or (kho tang)) lai roi. hieu su chat cuu ((va hanh) OR (va thanh)) va cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky sang) or (kho tang)) lai roi. hieu su chat cuu ((va hanh) OR (va thanh)) va cua te*.