Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
tran tap » toan tap, tran tan, tran tuan
theo te » theo tu, theo tieu, theo yeu
te sach » toc sach

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

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