Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thu phuong » thi phuong, thu huong, theo phuong
cua phuong » cuu phuong, cuc phuong, luan phuong
dong thanh » truong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
toan cao » toan tap
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh ((thu phuong) OR (cua phuong)) dong thanh ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - hanh trinh ((thu phuong) or (cua phuong)) dong thanh ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh ((thu phuong) or (cua phuong)) dong thanh ((toan cao) OR (toan ban))*.