Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cong sang » cong lang, cong vang, cong bang
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » toan cau, phan cau, than cap
tung am » tung pham, tung dan, tung bay
am dung » am duong, lam dung, ap dung

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 tung am dung ((cong sang) OR (cong san)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung am dung ((cong sang) OR (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung am dung ((cong sang) OR (cong san)) than cau*.