Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
tong cong » trong cong, cong cong, dung cong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 sang) or (tiem nang)) - anh dung cua ((thong cong) or (tong cong)) tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - anh dung cua ((thong cong) OR (tong cong)) tan than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) or (tiem nang)) - anh dung cua ((thong cong) or (tong cong)) tan than cau*.