Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » hanh trinh, minh trang, tinh trang
hoc thieu » toc thieu, hoc hien
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((((hanh trang) or (thanh trung))) or (canh tranh)) cua dong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((((hanh trang) OR (thanh trung))) OR (canh tranh)) cua dong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((((hanh trang) or (thanh trung))) or (canh tranh)) cua dong cong dan toan cao*.