Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
tieu sang » chieu sang, tieu dung, tiem nang
nhan dang » nhan dan, phan dang, tran dang
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » 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: theo tieu sang - ((nhanh lang) OR (nhan dang)) cua nhung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((nhanh lang) OR (nhan dang)) cua nhung ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sang - ((nhanh lang) OR (nhan dang)) cua nhung ((cong dan) or (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - ((nhanh lang) OR (nhan dang)) cua nhung ((cong dan) or (cong san)) toan cau*.