Perhaps you should try some spelling variations:
duy thong » duy tuong, ly thong
thanh dao » thanh dat, thanh dam, thanh do
cham duc » pham duc, cham soc, pham duy
duy nang » dun nang, duy nong, duy sang
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
cuu tre » cau tren, cau treo
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cua tre » cua te, cua triet, dua tren
ma hoi » mai hoi, xa hoi, ma hoa

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 ((duy nang) or (duy thong)) ma hoi. hieu va cham duc va thanh dao ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((duy nang) OR (duy thong)) ma hoi. hieu va cham duc va thanh dao ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((duy nang) or (duy thong)) ma hoi. hieu va cham duc va thanh dao ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((duy nang) or (duy thong)) ma hoi. hieu va cham duc va thanh dao ((cuu tre) OR (cua tre))*.