Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
toan tap » toan 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 cua nhung ((huong dan) or (((cong thanh) or (cong tac)))) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh tang cua nhung ((huong dan) OR (((cong thanh) OR (cong tac)))) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh tang cua nhung ((huong dan) or (((cong thanh) or (cong tac)))) toan tap*.