Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
cua thuong » cua truong, cua phuong, ca thuong
cua trung » cua truong, xuan trung, cua nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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 tranh ((cua thuong) OR (cua trung)) cong tan tran tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh tranh ((cua thuong) OR (cua trung)) cong tan tran tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh tranh ((cua thuong) OR (cua trung)) cong tan tran tap*.