Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
doanh nang » doanh sang, doanh nhung, doanh quang
thuong dan » huong dan, thuong han, thuong dam
luc trong » luoc trong, luu trong, cuc trong
gian cac » gian dan, gian cua

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) or (chieu sang)) - doanh nang luc trong thuong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - doanh nang luc trong thuong dan gian cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - doanh nang luc trong thuong dan gian cac*.