Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » dinh cuu, sinh va
manh cua » doanh cua, ban cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: ho chieu sang - hanh ((sinh cua) OR (manh cua)) trung cong san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh ((sinh cua) OR (manh cua)) trung cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((sinh cua) OR (manh cua)) trung cong san toan tap*.