Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
thong cong » trong cong, tong cong, thong thong
tam thong » tam thuong, tao thong, nam thong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, 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: doi ((chinh sach) or (nhieu tang)) - ((hanh trung) or (manh trung)) tam thong cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chinh sach) OR (nhieu tang)) - ((hanh trung) OR (manh trung)) tam thong cong hach toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chinh sach) or (nhieu tang)) - ((hanh trung) or (manh trung)) tam thong cong hach toan cau*.