Perhaps you should try some spelling variations:
ly nang » ky nang, ly hang, ly quang
ly vang » ly hang, ly van, ly quang
cau duc » cao duc, cau luc, chu duc
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua
te sach » toc sach
va cau » van cau, va cac, va dau
di cua » dai cua, de cua, do cua
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ly nang) or (ly vang)) x hoi. lieu va cau duc va hanh ((di cua) or (doi cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) x hoi. lieu va cau duc va hanh ((di cua) OR (doi cua)) viet.
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ly vang)) x hoi. lieu va cau duc va hanh ((di cua) or (doi cua)) viet*.