Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
sinh trong » sinh truong, sinh trung, dinh trong
dieu luong » dieu tuong, tien luong, dien xuong
tuan khoan » tuan hoan, toan khoan, toan khoa
doi chieu » doc hieu, doi chi, mot chieu
cong tuan » cong tan, cong luan, cong thanh
khoan cap » khoan cam, khan cap, khoa cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - sinh trong ((dieu luong) or (dieu duong)) cong tuan khoan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - sinh trong ((dieu luong) OR (dieu duong)) cong tuan khoan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - sinh trong ((dieu luong) or (dieu duong)) cong tuan khoan cap*.