Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
suc danh » suc manh, suc canh, sach danh
su sach » so sach, vu sach
cam suc » cam xuc, cao suc, cham soc
ca viet » va viet, co viet, hoa viet
hieu ve » hieu va
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
vai ca » vai cac, vai cua, bai ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) or (ty hang)) xa hoi. ((hieu ve) or (hieu van)) cam suc danh thanh vai ca viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ty hang)) xa hoi. ((hieu ve) OR (hieu van)) cam suc danh thanh vai ca viet.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ty hang)) xa hoi. ((hieu ve) or (hieu van)) cam suc danh thanh vai ca viet*.