Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
thanh tai » thanh hai, thanh toan, doanh tai
thien van » thi van
su sach » so sach, vu sach
duc ban » duc tan, duc van, dua ban
lam duc » lam duoc, pham duc, nam duoc
van lam » van nam
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) OR (ly nang)) xa hoi. thien van lam duc ban ((thanh tai) or (thanh van)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) xa hoi. thien van lam duc ban ((thanh tai) OR (thanh van)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ly nang)) xa hoi. thien van lam duc ban ((thanh tai) or (thanh van)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ly nang)) xa hoi. thien van lam duc ban ((thanh tai) or (thanh van)) cua tre*.