Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
ban tinh » ban thanh, quan tinh, ban hanh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
tinh vi » trinh vi, tinh voi, tinh va
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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 dang xa hoi. hieu ve ((cham cuu) or (cam xuc)) ban tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. hieu ve ((cham cuu) OR (cam xuc)) ban tinh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. hieu ve ((cham cuu) or (cam xuc)) ban tinh vi cua tre*.