Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, va tinh, le thanh
sach ty » sach y, sach tu, sach thu
so sach » so sanh, bo sach, co sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va hanh » van hanh, va danh, ban hanh
ve cac » va cac, vien cac
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang xa hoi. hieu ve cac xuc ((va hanh) or (((va thanh) or (ban thanh)))) vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu ve cac xuc ((va hanh) OR (((va thanh) OR (ban thanh)))) vi cua viet.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu ve cac xuc ((va hanh) or (((va thanh) or (ban thanh)))) vi cua viet*.