Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
van anh » van thanh, tuan anh, van minh
cuu tre » cua tre, cau treo
tu sach » thu sach, su sach, te sach
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 ky nang x hoi. hieu ve cham xuc ((van hanh) OR (van anh)) vinh ((cuu tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu ve cham xuc ((van hanh) OR (van anh)) vinh ((cuu tre) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hieu ve cham xuc ((van hanh) OR (van anh)) vinh ((cuu tre) or (cau tren))*".