Perhaps you should try some spelling variations:
khanh lai » khanh luan, thanh lap, thanh loi
cua triet » cua viet, su triet, va triet
xa khanh » xa thanh, van khanh, dat khanh
su sach » so sach
vu sach » vu bach, vu khach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac

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 (vu sach)) y nang ma hoa. hieu ve cac tuc xa khanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang ma hoa. hieu ve cac tuc xa khanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) y nang ma hoa. hieu ve cac tuc xa khanh lai cua triet*.