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