Perhaps you should try some spelling variations:
trong doanh » trong nganh
chieu sach » chinh sach, chiet tach, chieu sang
dong doanh » dung doanh, doanh doanh, dong thanh
tranh cua » doanh cua
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - canh ((tranh cua) or (manh cua)) nhung ((dong doanh) or (trong doanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((tranh cua) OR (manh cua)) nhung ((dong doanh) OR (trong doanh)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh ((tranh cua) or (manh cua)) nhung ((dong doanh) or (trong doanh)) phan cau*.