Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
thuong dan » huong dan, thuong han, thuong dam
hien xanh » hien hanh, hien nhanh, chieu xanh
tinh nhat » trinh nhat, tinh chat, minh nhat
minh nhan » minh thanh, minh chanh, minh thang
dan phan » doan phan, dan chan, van phan
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh ((tinh nhat) or (minh nhan)) trong thuong dan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((tinh nhat) OR (minh nhan)) trong thuong dan phan tap*.