Perhaps you should try some spelling variations:
nhieu tang » hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
dong tin » thong tin, luong tin, dong kinh
tin toan » tinh toan, nin toan, trinh toan
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 ((nhieu tang) or (((chieu sach) OR (chieu sang)))) - canh tranh cua cong dong tin toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (((chieu sach) OR (chieu sang)))) - canh tranh cua cong dong tin toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((nhieu tang) or (((chieu sach) OR (chieu sang)))) - canh tranh cua cong dong tin toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (((chieu sach) OR (chieu sang)))) - canh tranh cua cong dong tin toan cao*.