Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach nuoc » sach duoc, cac nuoc, bach tuoc
hieu viec » nhieu viec, sieu viet, hieu hien
doi cua » dai cua, hoi cua
va tinh » may tinh
va danh » va dinh, va dan, va hanh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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

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