Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hanh mang » nhanh mang, hanh trang, nhanh lang
va phuong » va thuong, cac phuong
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban
mang va » mang vua, hang va, bang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chiet tach)) - hanh mang va phuong cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chiet tach)) - hanh mang va phuong cong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chiet tach)) - hanh mang va phuong cong tan ((toan cao) or (toan ban))*.