Perhaps you should try some spelling variations:
chat nuoc » nhat nuoc, khat nuoc, thoat nuoc
cua triet » cua viet, su triet, va triet
hanh lai » hanh lam, hanh tai, thanh lap
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
sac ky » cac ky, sai ky
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang x hoi. hieu ve chat nuoc va hanh lai ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sac ky)) nang x hoi. hieu ve chat nuoc va hanh lai ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) nang x hoi. hieu ve chat nuoc va hanh lai ((cua tre) OR (cua triet))*.