Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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 - ((thanh trung) or (thanh thuong)) ((cua dung) OR (cua dong)) cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh trung) OR (thanh thuong)) ((cua dung) OR (cua dong)) cong tan tran ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((thanh trung) or (thanh thuong)) ((cua dung) OR (cua dong)) cong tan tran ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh trung) or (thanh thuong)) ((cua dung) OR (cua dong)) cong tan tran ban*.