Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, luat thong
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hanh mang » nhanh mang, hanh trang, nhanh lang
mang luan » tang luan, hang luan, bang luan
phan cha » phan chat, phan che, phan ha
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu va) or (chieu sach)) - hanh mang luan thong cong thanh phan cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu va) OR (chieu sach)) - hanh mang luan thong cong thanh phan cha*.