Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cua truong » cua trung, xuan truong, cac truong
tran thanh » ban thanh, van thanh
quan thanh » ban thanh, van thanh
ho chinh » hoc chinh, cho chinh, hoa chinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - ((hanh tranh) or (hanh trinh)) cua truong cong ((tran thanh) OR (quan thanh)) thang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - ((hanh tranh) OR (hanh trinh)) cua truong cong ((tran thanh) OR (quan thanh)) thang.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - ((hanh tranh) or (hanh trinh)) cua truong cong ((tran thanh) OR (quan thanh)) thang".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((hanh tranh) or (hanh trinh)) cua truong cong ((tran thanh) OR (quan thanh)) thang*.