Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
tu sach » su sach, te sach, tu cach
hanh di » hanh vi, hanh de, hang di
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
dai hoa » dai khoa, dai hoc, dai hoi
lai hoi » dai hoi, lai hoa, lai roi
di cua » dai cua, doi cua, de 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 (thu sach)) ky nang ((lai hoi) or (dai hoa)). hieu ve cham xuc ban hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang ((lai hoi) OR (dai hoa)). hieu ve cham xuc ban hanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky nang ((lai hoi) or (dai hoa)). hieu ve cham xuc ban hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ky nang ((lai hoi) or (dai hoa)). hieu ve cham xuc ban hanh di cua te*.