Perhaps you should try some spelling variations:
thoi thuong » thi thuong, thoi huong, thong thuong
hanh trong » hanh trang, anh trong, hinh trong
hanh trinh » canh tranh, hanh chinh
hoi thuong » hoai thuong, hoc thuong, boi thuong
hoa chinh » hoan chinh, hoa hinh, hoc chinh
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoa chinh sach - ((hanh trong) or (hanh trinh)) ((thoi thuong) OR (hoi thuong)) cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoa chinh sach - ((hanh trong) OR (hanh trinh)) ((thoi thuong) OR (hoi thuong)) cong dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoa chinh sach - ((hanh trong) or (hanh trinh)) ((thoi thuong) OR (hoi thuong)) cong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoa chinh sach - ((hanh trong) or (hanh trinh)) ((thoi thuong) OR (hoi thuong)) cong dan phan tu*.