Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hinh sinh » tinh sinh, hinh dinh, hinh kinh
chao chu » cho chu, cua chu, cao cho
chu tinh » chau tinh, chua tinh, cuu tinh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
sinh va » sinh vat, tinh va, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu tinh - hinh sinh va nhung cong san toan ban~.
• Adding a wildcard symbol may retrieve word variants: chao chu tinh - hinh sinh va nhung cong san toan ban*.