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