Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » canh tranh, hanh trinh, minh trang
toc chieu » toc thieu, doc hieu, hoc thieu
va phuong » va thuong, cac phuong
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - ((hanh trang) OR (thanh trung)) va phuong cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - ((hanh trang) OR (thanh trung)) va phuong cong tac ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - ((hanh trang) OR (thanh trung)) va phuong cong tac ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - ((hanh trang) OR (thanh trung)) va phuong cong tac ((toan cau) or (toan ban))*.