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
ve thong » he thong, va thong, ve chong
ve phong » va phong, van phong, mo phong
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: ton thien manh - hanh trinh ((ve thong) or (ve phong)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ton thien manh - hanh trinh ((ve thong) OR (ve phong)) cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ton thien manh - hanh trinh ((ve thong) or (ve phong)) cong dan toan cao*.