Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
van thuong » va thuong, van chuong, van phuong
hanh tran » hanh trang, thanh tran, hanh tram
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
tran van » luan van
toan cao » toan ban, toan 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 ((chieu xanh) or (chieu tinh)) - hanh tran van thuong cong hach toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - hanh tran van thuong cong hach toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu tinh)) - hanh tran van thuong cong hach toan cao*.