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
manh qua » manh quan, danh qua, hanh qua
manh cua » doanh cua, ban cua
cong san » cong tac
pham tu » phan tu, pham thi, pham tai

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 - lanh ((manh qua) OR (manh cua)) dung cong san pham tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - lanh ((manh qua) OR (manh cua)) dung cong san pham tu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - lanh ((manh qua) OR (manh cua)) dung cong san pham tu*.