Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong tran » cong tan, cong tuan, cong toan
tran cong » tran hong, trien cong, tran hoang
duong van » duong va, luong va, dang van
cong sach » ong sach, song sach, duong sach
hong van » hoang van, thong van, phong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh cong tran cong ((hong van) or (duong van)) cong sach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh cong tran cong ((hong van) OR (duong van)) cong sach.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh cong tran cong ((hong van) or (duong van)) cong sach*.