Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
vu cham » va cham, vu kham, tu cham
hanh ky » hanh kem
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, ve chim
luc va » duc va, tuc va, loc va
te sac » te sach, te san
te cac » tu cac, ve cac, te cao
ky va » ly va, ke va, my va

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

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