Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh va, hanh tai, hanh van
bien cac » vien cac, dien cac, bien ca
bien cam » bien ca, bien tam, bien canh
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va

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 ky nang xa hoi. thieu ((bien cam) OR (bien cac)) xuc va ((hanh vai) or (hanh vi)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. thieu ((bien cam) OR (bien cac)) xuc va ((hanh vai) OR (hanh vi)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. thieu ((bien cam) OR (bien cac)) xuc va ((hanh vai) or (hanh vi)) cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. thieu ((bien cam) OR (bien cac)) xuc va ((hanh vai) or (hanh vi)) cua viet*.