Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
chieu xanh » chieu sach, chieu sang, chieu tinh
tinh sinh » tinh ninh, tinh binh, tinh hinh
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu, sinh va
toan cao » toan ban, toan tap

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 - tinh sinh cua ((nhung cong) or (hang cong)) tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - tinh sinh cua ((nhung cong) OR (hang cong)) tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - tinh sinh cua ((nhung cong) or (hang cong)) tinh toan cao*.