Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cua dung » cua dang, cua dong, qua dung
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 - ((canh tranh) or (nhanh lang)) cua dung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((canh tranh) OR (nhanh lang)) cua dung cong tinh toan ban*.