Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
quan tong » quan trong, quan dong, quan long
tong cong » trong cong, cong cong, dung cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
ha tinh » va tinh, may tinh
hoc ha » hoc hoa, hoc hai, hoc hat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ha tinh - ((hanh trinh) or (canh tranh)) quan tong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ha tinh - ((hanh trinh) OR (canh tranh)) quan tong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ha tinh - ((hanh trinh) or (canh tranh)) quan tong cong dan toan ban*.