Perhaps you should try some spelling variations:
ban nhanh » ban hanh, ban thanh, ban nhan
thuoc sac » thuoc sach, thuoc dac, thuoc sai
nhanh hai » nhanh thai, thanh hai, nhanh ha
cua triet » cua viet, su triet, va triet
thuc ban » thuoc ban, thuc dan, thu ban
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hai cua » thai cua, dai cua, hoi cua
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sac ky lang xa hoi. hieu ((ve cam) OR (va cam)) thuc ban nhanh hai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sac ky lang xa hoi. hieu ((ve cam) OR (va cam)) thuc ban nhanh hai cua triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky lang xa hoi. hieu ((ve cam) OR (va cam)) thuc ban nhanh hai cua triet*.