Perhaps you should try some spelling variations:
thien van » thi van
thu sach » thuat sach, thuoc sach, thu hoach
van chao » van chat, van hao, van cho
van dinh » van minh, van dich, va dinh
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
va cuu » va cau, va chu, va huu

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 (thu sach)) y nang xa hoi. thien van chao xu ((va tinh) or (van dinh)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang xa hoi. thien van chao xu ((va tinh) OR (van dinh)) va cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y nang xa hoi. thien van chao xu ((va tinh) or (van dinh)) va cuu tre*".