Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
hanh hang » thanh hang, hang hang, hanh mang
cua nhung » va nhung
trinh ran » trinh han, trinh san, trinh dan
hanh han » hanh nhan, hanh phan, hanh san
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - ((hanh hang) or (hanh han)) cua nhung cong trinh ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - ((hanh hang) OR (hanh han)) cua nhung cong trinh ran cau*.