Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
bang cua » ban cua, mang cua, tang cua
hang cua » mang cua, hang ca, huong cua
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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 - lanh ((bang cua) or (hang cua)) thuong cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - lanh ((bang cua) OR (hang cua)) thuong cong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - lanh ((bang cua) or (hang cua)) thuong cong dan phan tu*.