Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » thong cong, hang cong, nhung don
doanh cua » doanh luan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
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 sang - hanh doanh cua ((nhung cong) OR (dung cong)) anh ((tuan ban) or (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh doanh cua ((nhung cong) OR (dung cong)) anh ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh doanh cua ((nhung cong) OR (dung cong)) anh ((tuan ban) or (luan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh doanh cua ((nhung cong) OR (dung cong)) anh ((tuan ban) or (luan ban))*.