Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
truong luat » truong luan, truong cua, truong quan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
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 quang - hanh ((tang luan) or (truong luat)) thong cong dan ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - hanh ((tang luan) OR (truong luat)) thong cong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu quang - hanh ((tang luan) or (truong luat)) thong cong dan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - hanh ((tang luan) or (truong luat)) thong cong dan ((toan cao) OR (toan tap))*.