Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong dao, luong va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu khang - thanh ((truong va) OR (truong cao)) nhung cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu khang - thanh ((truong va) OR (truong cao)) nhung cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - thanh ((truong va) OR (truong cao)) nhung cong dan toan cao*.