Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh dinh » thanh binh, thanh tinh, thanh vinh
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
tu san » thu san, tu ban, tu can

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

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