Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tuong » manh tuong, hanh trong, hanh tung
tuong tham » luong tham, tuong tac, trong thai
chau tinh » ha tinh, cua tinh, cac tinh
tham hang » pham hang, thai hang, tham lang
hang cong » dang cong, hang nong, bang cong
van thanh » ban thanh, van tuan
thanh ban » thanh san, thanh van, thanh bac
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (((chau tinh) OR (cuu tinh)))) - hanh tuong tham hang cong van thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (((chau tinh) OR (cuu tinh)))) - hanh tuong tham hang cong van thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) or (((chau tinh) OR (cuu tinh)))) - hanh tuong tham hang cong van thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (((chau tinh) OR (cuu tinh)))) - hanh tuong tham hang cong van thanh ban*.