Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lanh sang » anh sang, lanh bang, doanh sang
anh dang » anh dong, anh dung, anh bang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
doi thi » doi thoi, do thi, doi khi
thi anh » thi hanh, thi thanh, thich anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi anh - ((lanh sang) or (anh dang)) va nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi anh - ((lanh sang) OR (anh dang)) va nhung cong dan toan ban*.