Perhaps you should try some spelling variations:
doanh tinh » doan tinh, doanh thanh, nhanh tinh
thien van » thi van
chat treo » chat deo, cau treo, chat beo
va doanh » van doanh, vay doanh, va danh
tu sach » thu sach, su sach, te sach
ky lang » ky nang, tay lang
ky tang » ky nang, kho tang, ky trong
ky dang » ky nang, ky danh
van cam » van nam, van lam, van cau
xuc va » duc va, tuc va, luc va

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 lang) OR (ky tang))) or (ky dang)) xa hoi. thien van cam xuc va doanh tinh chat treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((((ky lang) OR (ky tang))) OR (ky dang)) xa hoi. thien van cam xuc va doanh tinh chat treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((((ky lang) OR (ky tang))) or (ky dang)) xa hoi. thien van cam xuc va doanh tinh chat treo".
• Adding a wildcard symbol may retrieve word variants: tu sach ((((ky lang) OR (ky tang))) or (ky dang)) xa hoi. thien van cam xuc va doanh tinh chat treo*.