Perhaps you should try some spelling variations:
nhanh mang » hanh mang, nhanh quang, nhanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
trinh ban » trinh han, trinh san, trinh dan
ho chieu » theo chieu, hoc thieu, doi chieu
anh dang » anh dong, anh dung, anh bang
ban cong » bang cong, van cong, phan cong
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((anh dang) or (((nhanh mang) OR (nhanh lang)))) cua ban cong trinh ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((anh dang) OR (((nhanh mang) OR (nhanh lang)))) cua ban cong trinh ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((anh dang) or (((nhanh mang) OR (nhanh lang)))) cua ban cong trinh ban cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((anh dang) or (((nhanh mang) OR (nhanh lang)))) cua ban cong trinh ban cau*.