Perhaps you should try some spelling variations:
tang luan » dung luan
hang cong » dang cong, hang nong, bang cong
cong tinh » cong trinh, cong vinh, long tinh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
dung cua » dung luan, dung cho
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - anh ((tang luan) or (dung cua)) hang cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh ((tang luan) OR (dung cua)) hang cong tinh toan ban*.