Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
cong chuc » cong thuc, cong cu, cong cua
chuc dung » thuc dung, thuoc dung, chuc nang
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
doi chau » doi chieu, gioi chau, hoi chu
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chau tinh - thanh cong chuc dung cong vang phan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - thanh cong chuc dung cong vang phan cau*.