Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung bieu » trung hieu, truong bien, truong tieu
bieu tuong » dieu duong, bien trong, lieu huong
tuong cong » truong cong, trong cong, tong cong
san khoan » san khoa, toan khoan, cac khoan
khoan cam » khoa cam, khoan va, phan cam
cong san » cong tac

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) or (chieu tinh)) - sinh trung bieu tuong cong san khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu tinh)) - sinh trung bieu tuong cong san khoan cam.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu tinh)) - sinh trung bieu tuong cong san khoan cam*.