Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
cong manh » cong danh, duong manh, hoang manh
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
toan tap » toan ban

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