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

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 (cam xuc)) danh ((thanh vai) or (thanh tai)) 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 (cam xuc)) danh ((thanh vai) OR (thanh tai)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. hieu ve ((cam suc) OR (cam xuc)) danh ((thanh vai) or (thanh tai)) cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu ve ((cam suc) OR (cam xuc)) danh ((thanh vai) or (thanh tai)) cua viet*.