Perhaps you should try some spelling variations:
danh lien » danh kien, danh dien, doanh tien
qua cham » qua hai, qua cac, va cham
sach ky » sach y, sach ty, sach kem
va danh » va dinh, va dan, va hanh
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
sac ky » cac ky, sai ky
soc va » hoc va, loc va, doc va
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 ky) or (sac ky)) nang x hoi. hieu qua cham soc va danh lien ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) nang x hoi. hieu qua cham soc va danh lien ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) or (sac ky)) nang x hoi. hieu qua cham soc va danh lien ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) nang x hoi. hieu qua cham soc va danh lien ((cuu tre) OR (cua tre))*.