Perhaps you should try some spelling variations:
thuong phuong » truong phuong, thong phuong, thong thuong
phuong dan » phuong danh, phuong doan, huong dan
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
tung cap » trung cap, thong cap, trong cap
cung cap » trung cap
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - thanh ((tung cap) or (cung cap)) thuong phuong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh ((tung cap) OR (cung cap)) thuong phuong dan phan tu.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh ((tung cap) or (cung cap)) thuong phuong dan phan tu*.