Perhaps you should try some spelling variations:
cau theo » cau thi, cau tao
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
te sach » toc sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
ve cam » ve cham, va cam, ve cai
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. hieu ((ve cam) or (ve cac)) xuc va hanh vi ((cua tre) or (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh vi ((cua tre) OR (cau theo)).
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((ve cam) or (ve cac)) xuc va hanh vi ((cua tre) or (cau theo))*.