Perhaps you should try some spelling variations:
duy sang » duy van, duy can, duy anh
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
xanh di » danh di, vanh dai, xanh tai
xuc van » duc van, luc van, xuc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
anh di » danh di, anh d, anh du

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 sang) or (ky dang)) ma hoi. hieu ve cham xuc van ((anh di) OR (xanh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((duy sang) OR (ky dang)) ma hoi. hieu ve cham xuc van ((anh di) OR (xanh di)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((duy sang) or (ky dang)) ma hoi. hieu ve cham xuc van ((anh di) OR (xanh di)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((duy sang) or (ky dang)) ma hoi. hieu ve cham xuc van ((anh di) OR (xanh di)) cua tre*.