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 » hoa viet, cua vat, cua dieu
su sach » so sach, vu sach
ca viet » va viet, co viet, hoa viet
cam suc » cam xuc, cao suc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v 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 y nang xa hoi. hieu ve ((cam suc) or (cham soc)) danh thanh vai ((cua viet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ve ((cam suc) OR (cham soc)) danh thanh vai ((cua viet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ve ((cam suc) or (cham soc)) danh thanh vai ((cua viet) or (ca viet))*.