Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
hanh trinh » canh tranh, hanh chinh
cua khong » hua khong, cua thuong, cua cong
chi xanh » chi anh, chi danh, chi hanh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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: "doi chi xanh - hanh trinh ((cua khong) OR (cua phuong)) cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh trinh ((cua khong) OR (cua phuong)) cong tan toan cau*.