Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh ca » hanh cac, hanh cat, hanh cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ca cua » co cua
tuc va » thuc va, truc va, tuc xa
su sac » su sach, su cac
su xac » pu xac, su cac
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) OR (su xac)) ky nang xa hoi. hieu ve cam ((duc va) or (tuc va)) hanh ca cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) ky nang xa hoi. hieu ve cam ((duc va) OR (tuc va)) hanh ca cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su xac)) ky nang xa hoi. hieu ve cam ((duc va) or (tuc va)) hanh ca cua viet".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su xac)) ky nang xa hoi. hieu ve cam ((duc va) or (tuc va)) hanh ca cua viet*.