Perhaps you should try some spelling variations:
thieu khang » thieu quang
chieu khong » chien chong, chu khong, chieu duong
canh manh » lanh manh, canh tranh, cach mang
cua trong » cua truong, cua trung, qua trong
manh cua » doanh cua, ban cua
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 khang) or (chieu khong)) - canh manh cua trong ((cong dan) OR (cong tan)) hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu khong)) - canh manh cua trong ((cong dan) OR (cong tan)) hang va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (chieu khong)) - canh manh cua trong ((cong dan) OR (cong tan)) hang va".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu khong)) - canh manh cua trong ((cong dan) OR (cong tan)) hang va*.