Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
cong loan » cong hoan, cong luan, cong doan
loan phan » luan phan, toan phan, doan phan
ho chieu » theo chieu, hoc thieu, mot chieu
doanh va » doan va, doanh cua, hanh va

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) or (ho chieu)) sach - canh ((doanh va) OR (doanh tai)) nhung cong loan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - canh ((doanh va) OR (doanh tai)) nhung cong loan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (ho chieu)) sach - canh ((doanh va) OR (doanh tai)) nhung cong loan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - canh ((doanh va) OR (doanh tai)) nhung cong loan phan tu*.