Perhaps you should try some spelling variations:
cong thuong » hang thuong
chieu sach » chinh sach, chiet tach, chieu sang
chinh sua » chinh su, chinh cua, chinh luan
thuong va » truong va, thong va, thuong mai
sua cong » cua cong, qua cong, su cong
hieu ca » hieu cac, hieu cua, hieu va
va hang » van hang, va nang, va lang
hang ca » hang va, nang cao, hang tai

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 sach)) - hanh chinh sua cong thuong va hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu ca) OR (chieu sach)) - hanh chinh sua cong thuong va hang ca.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu ca) or (chieu sach)) - hanh chinh sua cong thuong va hang ca*.