Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dang cong » dung cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
cua dang » cua cong, cua ban
hoc thi » hoc thai, hoc chi, hoc khi
hoc tai » hoc dai, hoc tap, hoc bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thi) OR (hoc tai)) thanh - hanh trang cua dang cong doan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thi) OR (hoc tai)) thanh - hanh trang cua dang cong doan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((hoc thi) OR (hoc tai)) thanh - hanh trang cua dang cong doan phan tu*.