Perhaps you should try some spelling variations:
thu thanh » thu thang, tu thanh, thuan thanh
va triet » va thiet, va trien, ve triet
hanh lam » thanh lap, hanh kem, hanh va
thu hanh » thuc hanh, thuy hanh, thi hanh
thu sach » thuat sach, thuoc sach, thu hoach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu sach » su sach, te sach, tu cach
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
lam va » nam va, dam va, lam ha

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) OR (thu sach)) ((thu hanh) or (thu thanh)) xa hoi. hieu ve cam xuc va hanh lam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ((thu hanh) OR (thu thanh)) xa hoi. hieu ve cam xuc va hanh lam va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ((thu hanh) or (thu thanh)) xa hoi. hieu ve cam xuc va hanh lam va triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ((thu hanh) or (thu thanh)) xa hoi. hieu ve cam xuc va hanh lam va triet*.