Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 - canh tranh cua trong ((cong dan) OR (cong tan)) thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu quang - canh tranh cua trong ((cong dan) OR (cong tan)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - canh tranh cua trong ((cong dan) OR (cong tan)) thanh lap*.