Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chieu xanh » chieu sach, chieu sang, chieu tinh
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dang cua » dung cua, dong cua, mang cua
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - nhan dang cua ((nhung cong) or (dung cong)) van ((tuan ban) OR (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - nhan dang cua ((nhung cong) OR (dung cong)) van ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - nhan dang cua ((nhung cong) or (dung cong)) van ((tuan ban) OR (luan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - nhan dang cua ((nhung cong) or (dung cong)) van ((tuan ban) OR (luan ban))*.