Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
nhanh lang » nhanh quang, nhanh thang, nhan dang
phan dang » phan dau, phan cong, nhan dan
dong cong » duong cong, dang cong, cong cong
dung cong » dung trong
san quan » van quan, ban quan, dan quan
quan tam » quan tai, quan am, quan nam

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 - ((nhanh lang) or (phan dang)) cua ((dong cong) OR (dung cong)) san quan tam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu khang - ((nhanh lang) OR (phan dang)) cua ((dong cong) OR (dung cong)) san quan tam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu khang - ((nhanh lang) or (phan dang)) cua ((dong cong) OR (dung cong)) san quan tam".
• Adding a wildcard symbol may retrieve word variants: toc thieu khang - ((nhanh lang) or (phan dang)) cua ((dong cong) OR (dung cong)) san quan tam*.