Perhaps you should try some spelling variations:
tang luan » dung luan
phan tang » phap tang, phan dang, phan cang
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
chi danh » chi dan, chi dinh, chi hanh
toan tap » toan ban
chi anh » chi hanh, thi anh, chi nhanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi danh) OR (chi anh)) - phan tang luan cong cong manh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi danh) OR (chi anh)) - phan tang luan cong cong manh toan tap*".