Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
lanh bang » anh bang, lanh sang, lap bang
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
can bang » cao bang, can ban, van ban
va thong » va thuong, va phuong, he thong
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 - ((lanh bang) OR (can bang)) va thong cong vang phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - ((lanh bang) OR (can bang)) va thong cong vang phan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((lanh bang) OR (can bang)) va thong cong vang phan cau*.