Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
so sach » so sanh, bo sach, co sach
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
xa danh » va danh, dia danh, nam danh
danh vi » hanh vi, dinh vi, danh di
ve cam » ve cham, ve cac, va cam
vi su » va su, ve su, ki su

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

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