Perhaps you should try some spelling variations:
thien nang » thien bang, trien nang, thien cong
thien dang » thien bang, thien danh, thien cong
thanh lai » thanh hai, thanh lap, thanh loi
cac thuc » cach thuc, cac thu, can thuc
va thanh » gia thanh, ban thanh, va tinh
ve triet » va trien, su triet
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
lai ve » loai ve, lai va, la ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((thien nang) OR (thien dang)) xa hoi. hieu va cac thuc va thanh lai ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thien nang) OR (thien dang)) xa hoi. hieu va cac thuc va thanh lai ve triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thien nang) OR (thien dang)) xa hoi. hieu va cac thuc va thanh lai ve triet*.