Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, chinh ngan
chieu sang » chieu sach, chieu xanh, nhieu tang
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
manh toan » thanh toan, anh tuan, tinh toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) OR (hieu lang)) - hanh chinh quan nhung cong ((manh toan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - hanh chinh quan nhung cong ((manh toan) OR (dan than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (hieu lang)) - hanh chinh quan nhung cong ((manh toan) or (dan than)) tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (hieu lang)) - hanh chinh quan nhung cong ((manh toan) or (dan than)) tap*.