Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh nang » doanh sang, doanh nhung, doanh quang
thuong dan » huong dan, thuong han, thuong dam
hoc chieu » hoc thieu, ho chieu, hoc hien
luc trong » luoc trong, luu trong, cuc trong
chinh cau » chinh chau, chinh ca, chinh can
chan cau » phan cau, can cau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - doanh nang luc trong thuong dan ((chan cau) OR (chinh cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - doanh nang luc trong thuong dan ((chan cau) OR (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - doanh nang luc trong thuong dan ((chan cau) OR (chinh cau))*.