Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
ngang chat » nang cham, ngang cho, nhan chat
hoc thieu » toc thieu, hoc hien
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cong cong » cong dong, trong cong, dung cong
ngan nhat » ngan nam, nam nhat, tran nhat
sinh va » sinh vat, tinh va, dinh van
va cong » tai cong, cua cong

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 sinh va cong cong ((ngang chat) or (ngan nhat)) ran~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh sinh va cong cong ((ngang chat) OR (ngan nhat)) ran*.