Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
duong cong » dung cong, luong cong, duong trong
trinh cua » tinh cua, trinh luat, trinh quan
dong cong » dung cong, dang cong, cong cong
bong toan » cong toan, phong toan, trong toan
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: toc thieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) bong toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) bong toan ban".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh trinh cua ((dong cong) OR (duong cong)) bong toan ban*.