Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
quan hoang » luan hoan
nong trinh » cong trinh, nong tinh, dong trinh
trinh toan » tinh toan, thanh toan, trinh han
hien hanh » dieu hanh
quan hang » quan lang, quan hanh, qua hang
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 hanh - ((hanh trinh) or (canh tranh)) ((quan hang) OR (quan hoang)) nong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh trinh) OR (canh tranh)) ((quan hang) OR (quan hoang)) nong trinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh trinh) or (canh tranh)) ((quan hang) OR (quan hoang)) nong trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh trinh) or (canh tranh)) ((quan hang) OR (quan hoang)) nong trinh toan ban*.