Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thien hach » thien thanh, hien hanh
hanh thong » anh thong, hanh trong, hang thong
ngan hanh » ngan thanh, ngan hang, ngan danh
thong dan » thong van, tuong dan, thong den
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 (thien hach)) - hanh chinh ngan hanh thong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (thien hach)) - hanh chinh ngan hanh thong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (thien hach)) - hanh chinh ngan hanh thong dan toan cau*.