Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » thong cong, hang cong, nhung don
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
ban cao » bao cao, ban can, ban co
ban dan » ban hang, ban hanh, ban quan

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