Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hanh han » hanh nhan, hanh phan, hanh san
cua bang » chua bang, cua ban, cua hang
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
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 chu xanh - hanh han ((cua bang) or (cua dang)) ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh han ((cua bang) OR (cua dang)) ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh han ((cua bang) or (cua dang)) ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh han ((cua bang) or (cua dang)) ((cong tan) OR (cong thanh)) toan ban*.