Perhaps you should try some spelling variations:
thien manh » tien manh, thien anh, thien danh
hanh trinh » canh tranh, hanh chinh
ton thien » hoan thien, toan thiet, doan thien
va thong » va phuong, he thong, va cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ton thien manh - hanh trinh ((va thong) or (va thuong)) cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien manh - hanh trinh ((va thong) OR (va thuong)) cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ton thien manh - hanh trinh ((va thong) or (va thuong)) cong dan than cao*.