Perhaps you should try some spelling variations:
tuan vien » tuan tien, xuan vien, tuan kien
chat xuc » chat huu, cam xuc, chao xu
van tuan » van quan, van ban, anh tuan
vien cua » viec cua, dien cua, tien cua
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
dang ha » dung ha, lang ha, tang ha
dong ha » dong hoa, dong va, dong hoc
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet

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) OR (dong ha)) hoi. hieu ve 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) OR (dong ha)) hoi. hieu ve chat xuc van tuan vien cua tre".
• Adding a wildcard symbol may retrieve word variants: so sanh ky ((dang ha) OR (dong ha)) hoi. hieu ve chat xuc van tuan vien cua tre*.