Perhaps you should try some spelling variations:
thien van » thi van
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
va sinh » va kinh, vi sinh, hoa sinh
va tinh » may tinh
dai cuu » dai cua, dai huu
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: thu sach ky nang xa hoi. thien van cam xuc ((va sinh) or (va tinh)) dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. thien van cam xuc ((va sinh) OR (va tinh)) dai cuu tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. thien van cam xuc ((va sinh) or (va tinh)) dai cuu tre*.