Perhaps you should try some spelling variations:
thien van » thi van
van tham » van thanh, van tuan, van chat
tham cuu » cham cuu, tham cung, thai cua
san hanh » san thanh, ban hanh, van hanh
te sach » toc sach
cuu san » cuu van, cua san, cuu ban
cua tre » cua te, cuu tre, cua triet
y lang » _ lang, tay lang, yen lang
o lang » hoa lang, hoi lang
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 ((y lang) or (o lang)) xa hoi. thien van tham cuu san hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y lang) OR (o lang)) xa hoi. thien van tham cuu san hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((y lang) or (o lang)) xa hoi. thien van tham cuu san hanh vi cua tre*.