Perhaps you should try some spelling variations:
viec cac » viec cua, viec lam, viec va
vien cac » vien bach, vien dai, vien da
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
va hanh » va thanh, va danh, ban hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
cua te » cua tu

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

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