Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc trieu » hoc thieu, hoc tieu, hoc thiet
trinh han » trinh quan
han nhung » hanh nhung, hon nhung, ban nhung
hoc dieu » hoc thieu, hoc hien
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 trieu) or (hoc dieu)) tinh - hanh trinh han nhung ((cong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc trieu) OR (hoc dieu)) tinh - hanh trinh han nhung ((cong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc trieu) or (hoc dieu)) tinh - hanh trinh han nhung ((cong dan) or (cong san)) toan ban*.