Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
theo dieu » theo chieu, thuoc dieu, he dieu
hanh nang » ganh nang, hanh mang, hanh trang
cua duong » cua dong, cua huong, qua duong
anh nang » ganh nang, anh bang, anh dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, 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: ((theo dieu) or (theo tieu)) hanh - ((hanh nang) or (anh nang)) cua duong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo dieu) OR (theo tieu)) hanh - ((hanh nang) OR (anh nang)) cua duong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo dieu) or (theo tieu)) hanh - ((hanh nang) or (anh nang)) cua duong cong dan toan ban*.