Perhaps you should try some spelling variations:
tinh trang » minh trang, tinh quang, tinh toan
hanh trang » thanh trung, hanh trinh, minh trang
hieu lang » chieu sang, hieu quang, nhieu tang
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((((hanh trang) or (tinh trang))) or (canh tranh)) cua tong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((((hanh trang) OR (tinh trang))) OR (canh tranh)) cua tong cong dan toan cao*.