Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam suc » cam xuc, cao suc
vai cua » dai cua, hai cua, lai cua

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 xa hoi. hieu ve ((cam suc) or (cham soc)) dinh thanh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. hieu ve ((cam suc) OR (cham soc)) dinh thanh vai cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu ve ((cam suc) or (cham soc)) dinh thanh vai cua viet*.