Perhaps you should try some spelling variations:
dang nguong » dung nguon, dang thuong, tang nguon
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nguong dan » huong dan
tran thanh » ban thanh, van thanh, quan thanh
hanh tang » hanh trang, hanh mang, hanh tung
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
than man » than ma, thanh san, tran manh

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 sach - ((hanh tang) or (anh tang)) cua dang nguong dan ((than man) or (tran thanh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((hanh tang) OR (anh tang)) cua dang nguong dan ((than man) OR (tran thanh)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((hanh tang) or (anh tang)) cua dang nguong dan ((than man) or (tran thanh))*.