Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nam thang » nam thanh, nam trong, nam trung
ho chieu » theo chieu, hoc thieu, doi chieu
nam hang » nam khang, nam dang, nam lang
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
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 - thanh trung ((nam hang) OR (nam thang)) cong tac phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung ((nam hang) OR (nam thang)) cong tac phan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((nam hang) OR (nam thang)) cong tac phan cau*.