Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
hanh mang » nhanh mang, nhanh lang, thanh hang
dong cong » duong cong, dang cong, cong cong
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
ban than » ban thanh, van thanh, ban hang
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - ((hanh trang) or (hanh mang)) cua ((dong cong) OR (dung cong)) ban than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((hanh trang) OR (hanh mang)) cua ((dong cong) OR (dung cong)) ban than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((hanh trang) or (hanh mang)) cua ((dong cong) OR (dung cong)) ban than ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - ((hanh trang) or (hanh mang)) cua ((dong cong) OR (dung cong)) ban than ban*.