Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
tang tai » hang tai, dung tai, sang tao
tai khoi » tai khoa, mai khoi, tao khoi
te sach » toc sach
cua tre » cua te, cua triet, dua tren
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
cuu tre » cau tren, cau treo
ve cam » ve cham, ve cac, va cam
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: ((te sach) or (thuat sach)) ky tang tai khoi. hieu ve cam xuc va hanh di ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat sach)) ky tang tai khoi. hieu ve cam xuc va hanh di ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuat sach)) ky tang tai khoi. hieu ve cam xuc va hanh di ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat sach)) ky tang tai khoi. hieu ve cam xuc va hanh di ((cua tre) OR (cuu tre))*.