Perhaps you should try some spelling variations:
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
hanh ke » hanh kem, thanh ke, hanh ky
xuc van » duc van, luc van, xuc ban
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
ke ve » ke va, ke he, de ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh ke ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh ke ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc van hanh ke ve triet*".