Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh mang » nhanh mang, nhanh lang, thanh hang
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
theo chu » theo chieu, cho chu, chao chu
cua dung » cua dang, cua dong, qua dung
doan van » doan va, hoang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (theo tieu)) xanh - ((hanh mang) or (hanh trang)) cua dung cong doan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (theo tieu)) xanh - ((hanh mang) OR (hanh trang)) cua dung cong doan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (theo tieu)) xanh - ((hanh mang) or (hanh trang)) cua dung cong doan van ban*.