Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van dinh » van minh, van dich, xuan dinh
kho tang » cao tang
tu sach » thu sach, su sach, te sach
va dinh » va kinh, va tinh, vu dinh
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
di cua » dai cua, doi cua, de cua
va cam » va cham, va cac, va cao

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) or (thuat sach)) kho tang xa hoi. lieu va cam xuc ((van dinh) OR (va dinh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat sach)) kho tang xa hoi. lieu va cam xuc ((van dinh) OR (va dinh)) di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thuat sach)) kho tang xa hoi. lieu va cam xuc ((van dinh) OR (va dinh)) di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat sach)) kho tang xa hoi. lieu va cam xuc ((van dinh) OR (va dinh)) di cua tre*.