Perhaps you should try some spelling variations:
thien van » thi van
dang van » hoang van, hang va
tang van » hoang van, trong van, tang luan
va hanh » van hanh, va thanh, va danh
nam xuc » cam xuc, nam xua, nam thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang ha » long ha
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
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: te sach ky ((lang ha) or (((tang van) OR (dang van)))) hoi. thien van nam xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang ha) OR (((tang van) OR (dang van)))) hoi. thien van nam xuc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((lang ha) or (((tang van) OR (dang van)))) hoi. thien van nam xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang ha) or (((tang van) OR (dang van)))) hoi. thien van nam xuc va hanh vi cua tre*.