Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
thong cong » trong cong, tong cong, thong thong
kieu tinh » lieu tinh, trieu tinh, diep tinh
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ho kieu » ho lieu, so kieu, thi kieu

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

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