Perhaps you should try some spelling variations:
chung thong » thong thong, hung thang, cong thong
thieu sang » chieu sang, thieu khang, thieu quang
luan chung » luan chinh
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
thong tam » thong nam, thong tai, thong lam
thanh ban » thanh san, thanh van, thanh bac
than ban » toan ban, than man, nhuan 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 tang luan chung thong tam ((than ban) OR (thanh ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - hanh tang luan chung thong tam ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh tang luan chung thong tam ((than ban) OR (thanh ban))*.