Perhaps you should try some spelling variations:
nang hang » nang sang, hang hang, cang thang
treo chu » theo chu, tho chu
chu nang » chuc nang, chua nang, cuu nang
ca thong » ca thuong, va thong, ca trong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: treo chu nang - nang hang ca thong ((cong dan) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "treo chu nang - nang hang ca thong ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: treo chu nang - nang hang ca thong ((cong dan) OR (cong san)) toan cau*.