Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach cam » sach cap, mach cam, sach tham
cham xuc » chat xuc, cham soc, pham duc
thanh va » thanh van, hanh va, thanh ha
dau tren » dat tren, dau tieng, dau trong
dau tien » van tien
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
x hoi » xa hoi, o hoi, x ho

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 cam nang x hoi. hieu ve ((cham xuc) or (cam xuc)) ban thanh va ((dau tren) OR (dau tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach cam nang x hoi. hieu ve ((cham xuc) OR (cam xuc)) ban thanh va ((dau tren) OR (dau tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach cam nang x hoi. hieu ve ((cham xuc) or (cam xuc)) ban thanh va ((dau tren) OR (dau tien))".
• Adding a wildcard symbol may retrieve word variants: tu sach cam nang x hoi. hieu ve ((cham xuc) or (cam xuc)) ban thanh va ((dau tren) OR (dau tien))*.