Perhaps you should try some spelling variations:
hanh tranh » hanh trang, lanh tranh, nhanh thanh
hanh trinh » hanh chinh
hien danh » thien danh, hien hanh, hien nhanh
cua trong » cua truong, cua trung, qua trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien danh - ((hanh tranh) or (((hanh trinh) OR (canh tranh)))) cua trong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien danh - ((hanh tranh) OR (((hanh trinh) OR (canh tranh)))) cua trong cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien danh - ((hanh tranh) or (((hanh trinh) OR (canh tranh)))) cua trong cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien danh - ((hanh tranh) or (((hanh trinh) OR (canh tranh)))) cua trong cong san toan ban*.