Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tang luan » dung luan
theo chu » theo chieu, cho chu, chao chu
chu xang » chua xang, chu bang, chuc nang
tang cua » mang cua, hang cua, thong cua
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xang - anh ((tang cua) OR (tang luan)) nhung cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xang - anh ((tang cua) OR (tang luan)) nhung cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: theo chu xang - anh ((tang cua) OR (tang luan)) nhung cong tan tran cau*.