Perhaps you should try some spelling variations:
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
doanh cua » doanh luan
thong den » thong dien, thong dan, tuong den
manh cua » ban cua
den toan » dien toan, dan toan, den tran
toan cau » toan cao, toan ban, toan tap

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)) - hoang ((manh cua) OR (doanh cua)) thong thong den toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - hoang ((manh cua) OR (doanh cua)) thong thong den toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) or (tiem nang)) - hoang ((manh cua) OR (doanh cua)) thong thong den toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) or (tiem nang)) - hoang ((manh cua) OR (doanh cua)) thong thong den toan cau*.