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