Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khanh ban » khanh van, thanh ban, khanh luan
xa khanh » xa thanh, van khanh, dat khanh
ban cua » ban quan
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
cam tuc » cam xuc, nam thuc, dam thuc
y nang » ky nang, v nang, may nang
cam tu » cam thu, nam tu, dam tu

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 ((y nang) or (ly nang)) ma hoa. hieu ve ((cam tuc) OR (cam tu)) xa khanh ban cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) ma hoa. hieu ve ((cam tuc) OR (cam tu)) xa khanh ban cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) or (ly nang)) ma hoa. hieu ve ((cam tuc) OR (cam tu)) xa khanh ban cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (ly nang)) ma hoa. hieu ve ((cam tuc) OR (cam tu)) xa khanh ban cua triet*.