Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
ve cham » va cham, vu cham, ve chim
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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

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