Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
xuat thuong » luat thuong, xuat thong, suat thong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
khach san » khach hang, thanh san
cong quan » cuong quan, cong quang, tong quan
hanh san » thanh san, thanh son, khanh son
quan van » luan van, quan va, quan luan

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 - ((hanh san) or (khach san)) xuat thuong cong quan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((hanh san) OR (khach san)) xuat thuong cong quan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((hanh san) or (khach san)) xuat thuong cong quan van ban*.