Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thanh hai » thanh phan, thanh hoa, thanh san
cua triet » cua viet, su triet, va triet
thuc ban » thuoc ban, thuc dan, thu ban
hanh hai » nhanh hai, hang hai, hanh tai
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
hieu va » lieu va, hieu qua
va nham » va cham, va tham, va nha
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky mang may hoi. hieu va nham thuc ban ((hanh hai) OR (thanh hai)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky mang may hoi. hieu va nham thuc ban ((hanh hai) OR (thanh hai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu san ky mang may hoi. hieu va nham thuc ban ((hanh hai) OR (thanh hai)) cua triet*.