Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chuc » theo chu, tho chu, treo chu
khach san » khach hang, thanh san
hang luan » tang luan, dung luan
cua thong » cua thuong, cua khong, cua tong
hanh san » thanh san, thanh son, khanh son
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 chuc nang - ((((hanh san) or (khach san))) or (hang luan)) cua thong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - ((((hanh san) OR (khach san))) OR (hang luan)) cua thong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - ((((hanh san) or (khach san))) or (hang luan)) cua thong cong dan toan cau*.