Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cong danh » cuong danh, cong dan, cong thanh
anh nang » ganh nang, anh bang, anh dang
nang van » dang van, tang van, lang van
van dung » van dong, xay dung, tin dung

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 - anh nang van dung ((cong danh) or (huong dan)) tuyen tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - anh nang van dung ((cong danh) OR (huong dan)) tuyen tap*.