Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
xa khanh » xa thanh, van khanh, dat khanh
sach thi » sach thu, sach tai, sach thieu
doc sach » hoc sach, toc sach, nuoc sach
thi hanh » thi thanh
hieu va » lieu va, hieu qua
cac toi » cac thoi
hanh xu » hanh tu, hanh sua, hanh cua
vai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
xu hoi » xa hoi, lu hoi, vu hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach thi hanh xu hoi. hieu va ((cac nuoc) or (cac toi)) xa khanh ((vai cua) or (hai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach thi hanh xu hoi. hieu va ((cac nuoc) OR (cac toi)) xa khanh ((vai cua) OR (hai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: doc sach thi hanh xu hoi. hieu va ((cac nuoc) or (cac toi)) xa khanh ((vai cua) or (hai cua)) triet*.