Perhaps you should try some spelling variations:
thu hanh » thu thanh, thuy hanh, thi hanh
va triet » va thiet, va trien, ve triet
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va va » va van, va vua, va vai

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 ((thu hanh) OR (thuc hanh)) xa hoi. hieu ve cac xuc va hanh va va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thu hanh) OR (thuc hanh)) xa hoi. hieu ve cac xuc va hanh va va triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thu hanh) OR (thuc hanh)) xa hoi. hieu ve cac xuc va hanh va va triet*.