Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam loc » cam lo
va manh » van manh, va danh, va hanh
manh ca » manh cua, manh cam, danh ca
loc va » hoc va, luc va
ca cua » co cua

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 ky nang xa hoi. ((hieu ve) or (hieu qua)) cam loc va manh ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. ((hieu ve) OR (hieu qua)) cam loc va manh ca cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. ((hieu ve) or (hieu qua)) cam loc va manh ca cua triet*.