Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
viec cac » viec cua, viec lam, viec va
vien cac » vien bach, vien dai, vien da
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
danh ca » dan ca, doanh cua, danh cho
tu sach » thu sach, su sach, te sach
xuc va » duc va, tuc va, luc va
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 sach ky nang xa hoi. hieu ((viec cac) OR (vien cac)) xuc va danh ca ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((viec cac) OR (vien cac)) xuc va danh ca ((cua te) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((viec cac) OR (vien cac)) xuc va danh ca ((cua te) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((viec cac) OR (vien cac)) xuc va danh ca ((cua te) or (cua triet))*.