Perhaps you should try some spelling variations:
song hai » son hai, dong hai, song hau
cong hai » cong thai, cong ha, hoang hai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
qua cam » qua cham, qua cac, qua ca
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
doi cua » dai cua, hoi cua
de cua » le cua, te cua, dieu cua

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 nang ((song hai) OR (cong hai)). hieu qua cam xuc ban anh ((de cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((song hai) OR (cong hai)). hieu qua cam xuc ban anh ((de cua) OR (doi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((song hai) OR (cong hai)). hieu qua cam xuc ban anh ((de cua) or (doi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((song hai) OR (cong hai)). hieu qua cam xuc ban anh ((de cua) or (doi cua)) tre*.