Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
chua xang » chua nang, chuc nang, chu bang
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
chu xanh » chu manh, chieu xanh, chuc danh
anh tang » anh bang, anh dang, anh nang
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) or (chua xang)) - ((anh tang) or (hanh mang)) cua nhung cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - ((anh tang) OR (hanh mang)) cua nhung cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - ((anh tang) or (hanh mang)) cua nhung cong trinh toan ban*.