Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khanh lai » khanh luan, thanh lap, thanh loi
van khanh » van thanh, van hanh, van anh
hieu van » hieu va, thien van, lieu va
lai cua » dai cua, hai cua, lai chau
su sach » so sach
nang ma » tang ma, sang ma, nang cao
vu sach » vu bach, vu khach
cam tuc » cam xuc, nam thuc, dam thuc
cam tu » cam thu, nam tu, dam tu
y nang » ky nang, ly nang, v nang

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