Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
vu nhan » cu nhan, tu nhan, va nhan
luc va » duc va, tuc va, loc va

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 ma) or (lang xa)) hoi. hieu ((vu nhan) or (vu ngan)) luc va hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang ma) OR (lang xa)) hoi. hieu ((vu nhan) OR (vu ngan)) luc va hanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang ma) or (lang xa)) hoi. hieu ((vu nhan) or (vu ngan)) luc va hanh lai cua triet*.