Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vien cac » vien bach, vien dai, vien da
nam danh » nam dinh, nam dan
toc sach » hoc sach, doc sach, thuoc sach
sach ky » sac ky, sach y, sach ty
xa danh » va danh, dia danh, van danh
nang xa » nang x, lang xa, nang ma
sai cua » dai cua, hai cua, lai cua
ve cac » va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang xa hoi. hieu ((ve cac) or (vien cac)) toc ((xa danh) or (nam danh)) sai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xa hoi. hieu ((ve cac) OR (vien cac)) toc ((xa danh) OR (nam danh)) sai cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. hieu ((ve cac) or (vien cac)) toc ((xa danh) or (nam danh)) sai cua triet*.