Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
su sach » vu sach
so sach » so sanh, bo sach, co sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
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: ((su sach) or (so sach)) ty nang xa hoi. hieu ve cam xuc va danh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty nang xa hoi. hieu ve cam xuc va danh vi su triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty nang xa hoi. hieu ve cam xuc va danh vi su triet*.