Perhaps you should try some spelling variations:
cong thuong » hang thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
cong luong » nang luong, cong dong, cong cong
toc chieu » toc thieu, doc hieu, hoc thieu
cong lang » cong vang, cong quang, cong ngang
trinh va » trinh van, trinh vat, trinh ve
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - canh trinh va nhung ((cong lang) or (((cong luong) OR (cong thuong)))) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh trinh va nhung ((cong lang) OR (((cong luong) OR (cong thuong)))) khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - canh trinh va nhung ((cong lang) or (((cong luong) OR (cong thuong)))) khan cap".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - canh trinh va nhung ((cong lang) or (((cong luong) OR (cong thuong)))) khan cap*.