Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
thanh tai » thanh hai, thanh toan, doanh tai
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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 - canh tranh cua thong ((cong ban) OR (cong tan)) thanh tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh tranh cua thong ((cong ban) OR (cong tan)) thanh tai*".