Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trong » hanh trang, anh trong, hinh trong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong nhan » cong nhat, cong thanh, cong san
trong am » trong lam, trong nam, trong dam
hanh mau » thanh mau, anh mau, hanh ma
am dung » am duong, lam dung, ap dung

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 - hanh trong am dung cong nhan ((hanh mau) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trong am dung cong nhan ((hanh mau) OR (thanh san)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trong am dung cong nhan ((hanh mau) or (thanh san))*.