Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
dung cong » dung trong
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song
cong san » cong tac
pham tu » phan tu, pham tai, pham duc

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