Perhaps you should try some spelling variations:
khanh lai » khanh luan, thanh lap, thanh loi
dat khanh » van khanh, duy khanh
cua triet » cua viet, su triet, va triet
su sach » so sach
vu sach » vu bach, vu khach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc dat » tu dat, tuc dan, tuc hat
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam

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