Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
cong khong » cong thong, cong thuong, trong khong
khong hanh » khong thanh, hong hanh, phong thanh
hanh tuan » thanh tuan, anh tuan, manh tuan
tuan thu » toan thuc, van thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan chinh sach - ((hanh trang) OR (hanh trinh)) cua cong khong hanh tuan thu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoan chinh sach - ((hanh trang) OR (hanh trinh)) cua cong khong hanh tuan thu".
• Adding a wildcard symbol may retrieve word variants: hoan chinh sach - ((hanh trang) OR (hanh trinh)) cua cong khong hanh tuan thu*.