Perhaps you should try some spelling variations:
cong thuong » hang thuong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thien quan » trien quang, lien quan, thien van
thuong dan » huong dan, thuong han, thuong dam
hieu quan » hieu qua, lieu quan, lien quan
trung cap » truong cao, trung tam
cap cong » cac cong, cao cong, tap cong
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 xanh) or (((hieu quan) or (thien quan)))) - thanh trung cap cong thuong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((hieu quan) OR (thien quan)))) - thanh trung cap cong thuong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((hieu quan) or (thien quan)))) - thanh trung cap cong thuong dan chan cau*.