Perhaps you should try some spelling variations:
tranh tuan » tran tuan, tranh luan, thanh tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
chuc danh » chuc nganh, thuc hanh, chuc nang
cong manh » cong danh, duong manh, cong thanh
chu manh » ho manh, chu han, chu van
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chuc danh) or (chu manh)) - canh tranh tuan thong cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chuc danh) OR (chu manh)) - canh tranh tuan thong cong manh van ban*.