Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
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) or (hoc hien))) or (toc thieu)) xanh - hanh tranh cua dong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thieu) OR (hoc hien))) OR (toc thieu)) xanh - hanh tranh cua dong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thieu) or (hoc hien))) or (toc thieu)) xanh - hanh tranh cua dong cong dan toan cao*.