Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
van manh » van minh, van anh, van hanh
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - van manh qua dung cong sat phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - van manh qua dung cong sat phan tu*.