Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
cong danh » cuong danh, cong dan, cong thanh
danh tuan » anh tuan, manh tuan, danh thanh
ca nhung » cam nhung, va nhung, ca nung
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (thieu quang)) - hanh chinh ((ca nhung) OR (cua nhung)) cong danh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (thieu quang)) - hanh chinh ((ca nhung) OR (cua nhung)) cong danh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (thieu quang)) - hanh chinh ((ca nhung) OR (cua nhung)) cong danh tuan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (thieu quang)) - hanh chinh ((ca nhung) OR (cua nhung)) cong danh tuan cau*.