Perhaps you should try some spelling variations:
tuan vien » tuan tien, xuan vien, tuan kien
vien cua » viec cua, dien cua, tien cua
van tuan » van quan, van ban, anh tuan
so sanh » do sanh
va chat » van chat, va phat, cao chat
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
sanh ky » hanh ky, sang ky, nganh ky
ve chat » van chat
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ky dang ha hoi. hieu ((ve chat) OR (va chat)) xuc van tuan vien cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky dang ha hoi. hieu ((ve chat) OR (va chat)) xuc van tuan vien cua tre".
• Adding a wildcard symbol may retrieve word variants: so sanh ky dang ha hoi. hieu ((ve chat) OR (va chat)) xuc van tuan vien cua tre*.