Perhaps you should try some spelling variations:
thien van » thi van
tu sach » thu sach, su sach, tu cach
danh vi » hanh vi, dinh vi, danh di
van lam » van nam
nang xa » nang x, lang xa, nang ma
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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 (te sach)) ky nang xa hoi. thien van lam ((xuc va) OR (tuc va)) danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. thien van lam ((xuc va) OR (tuc va)) danh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang xa hoi. thien van lam ((xuc va) OR (tuc va)) danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. thien van lam ((xuc va) OR (tuc va)) danh vi cua tre*.