Perhaps you should try some spelling variations:
cong thuong » hang thuong
hanh sinh » hanh tinh, hanh dinh, hinh sinh
thuong va » truong va, thong va, thuong mai
chieu ca » chieu cao, chieu day, nhieu cau
sinh cua » manh cua, dinh cuu, sinh va
va thang » van thang, va thanh, va thong
thang ca » thang cua, hang ca, tang ca
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu ca) or (chieu ca)) - hanh sinh cua cong thuong va thang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu ca) OR (chieu ca)) - hanh sinh cua cong thuong va thang ca.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu ca) or (chieu ca)) - hanh sinh cua cong thuong va thang ca*.