Perhaps you should try some spelling variations:
cang thong » cang thang, cong thong, mang thong
cac phuong » cac truong
tieu xanh » tieu danh, chieu xanh, dieu hanh
va phuong » va thuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - cang thong ((va phuong) OR (cac phuong)) cong tan toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - cang thong ((va phuong) OR (cac phuong)) cong tan toan cao*.