Perhaps you should try some spelling variations:
cong trong » cong thuong, duong trong, cong trinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
trong san » trong cac, cong san, dong san
chi hanh » chi nhanh, chi thanh, chi anh
thi hanh » thi thanh
san phan » san pham, van phan, sat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi hanh) OR (thi hanh)) - hanh tranh cua cong trong san phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi hanh) OR (thi hanh)) - hanh tranh cua cong trong san phan tu".
• Adding a wildcard symbol may retrieve word variants: doi ((chi hanh) OR (thi hanh)) - hanh tranh cua cong trong san phan tu*.