Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh thang
nhung cong » dung cong, thong cong, hang cong
tieu sang » chieu sang, tiem nang, tinh sang
tieu dung » dieu duong, tin dung, viet dung
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
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 (tieu dung)) - ((nhanh mang) or (nhanh quang)) cua nhung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tieu dung)) - ((nhanh mang) OR (nhanh quang)) cua nhung cong tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) OR (tieu dung)) - ((nhanh mang) or (nhanh quang)) cua nhung cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) OR (tieu dung)) - ((nhanh mang) or (nhanh quang)) cua nhung cong tan than cau*.