Perhaps you should try some spelling variations:
nhieu tang » hieu lang, nhiet nang
chieu sang » chieu sach, chieu xanh, hieu lang
phuong dan » phuong danh, phuong doan, huong dan
tang luan » dung luan
hang cua » mang cua, hang ca, huong cua
dan toan » van toan, dan than, manh toan
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: he ((nhieu tang) OR (chieu sang)) - hanh ((tang luan) or (hang cua)) bang phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he ((nhieu tang) OR (chieu sang)) - hanh ((tang luan) OR (hang cua)) bang phuong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "he ((nhieu tang) OR (chieu sang)) - hanh ((tang luan) or (hang cua)) bang phuong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: he ((nhieu tang) OR (chieu sang)) - hanh ((tang luan) or (hang cua)) bang phuong dan toan cau*.