Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu tinh » tieu trinh, lieu tinh, kieu tinh
lanh bang » anh bang, lanh sang, lap bang
cong tuan » cong tan, cong luan, cong thanh
tuan phan » luan phan, toan phan, tuan pham
can bang » cao bang, can ban, van ban
phan cau » phan dau, phan cac, phan tu

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 tinh) or (trieu tinh)) - ((lanh bang) OR (can bang)) va nhung cong tuan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu tinh) OR (trieu tinh)) - ((lanh bang) OR (can bang)) va nhung cong tuan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu tinh) or (trieu tinh)) - ((lanh bang) OR (can bang)) va nhung cong tuan phan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) or (trieu tinh)) - ((lanh bang) OR (can bang)) va nhung cong tuan phan cau*.