Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khanh lai » khanh luan, thanh lap, thanh loi
xa khanh » xa thanh, van khanh, dat khanh
lai cua » dai cua, hai cua, lai chau
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
va cam » va cham, va cac, va cao
ve cam » ve cham, ve cac, ve cai

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) OR (va cam)) tuc xa khanh lai 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) OR (va cam)) tuc xa khanh lai 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) OR (va cam)) tuc xa khanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) or (ly nang)) ma hoa. hieu ((ve cam) OR (va cam)) tuc xa khanh lai cua triet*.