Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
ban hang » ngan hang
dinh cuu » dinh chi
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
va hanh » van hanh, va danh, ban hanh
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu qua cam xuc ((((va hanh) OR (va thanh))) or (ban hang)) dinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu qua cam xuc ((((va hanh) OR (va thanh))) OR (ban hang)) dinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu qua cam xuc ((((va hanh) OR (va thanh))) or (ban hang)) dinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu qua cam xuc ((((va hanh) OR (va thanh))) or (ban hang)) dinh cuu tre*.