Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu trinh » tien trinh, tien thinh, lieu tinh
lanh bang » anh bang, lanh sang, can bang
cong tuan » cong tan, cong luan, cong thanh
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
bang va » hang va, ban va, trang va

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