Perhaps you should try some spelling variations:
trang thuat » trong thuat, trang thuc, trang thiet
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
thuat hang » thuat hung, thuat bang, thuat mang
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san van » tan van, luan van, tran van

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