Perhaps you should try some spelling variations:
thuc ban » thuoc ban, thuc dan, thu ban
thanh vi » hanh vi, thanh va, thanh ve
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
tuc ban » truc ban, tu ban, tuc dan
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
vi cuu » vi luu, vinh cuu

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 lang xa hoi. hieu ve cac ((tuc ban) OR (thuc ban)) thanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky lang xa hoi. hieu ve cac ((tuc ban) OR (thuc ban)) thanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sanh ky lang xa hoi. hieu ve cac ((tuc ban) OR (thuc ban)) thanh vi cuu tre*.