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

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 cua 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 cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty nang) OR (ty hang)) xa hoi. ((hieu ve) or (hieu van)) cam suc danh thanh vai cua 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 cua viet*.