Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
cua nong » cuu nong, cua dong, cua song
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than tap » toan tap, han tap, phan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - hanh trung ((cua nong) or (cua cong)) cong tan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh trung ((cua nong) OR (cua cong)) cong tan than tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh trung ((cua nong) or (cua cong)) cong tan than tap*.