Perhaps you should try some spelling variations:
lanh doanh » doanh doanh, kinh doanh, van doanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
dung cong » dung trong
hang cong » dang cong, hang nong, bang cong
dan chan » dan gian, dan ca, van chat
doi thi » doi thoi, do thi, doi khi
chan tu » phan tu, han tu, chon tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi thanh - ((lanh doanh) OR (hanh doanh)) cua ((dung cong) or (hang cong)) dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi thanh - ((lanh doanh) OR (hanh doanh)) cua ((dung cong) OR (hang cong)) dan chan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi thi thanh - ((lanh doanh) OR (hanh doanh)) cua ((dung cong) or (hang cong)) dan chan tu".
• Adding a wildcard symbol may retrieve word variants: doi thi thanh - ((lanh doanh) OR (hanh doanh)) cua ((dung cong) or (hang cong)) dan chan tu*.