Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
tong cong » trong cong, cong cong, dang cong
van van » tan van, san van, van vat

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

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