Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien sach » dien sach, kien sach, thien hach
trung vap » trung cap, trung va, trung van
dung cong » dung trong
gian doan » gian dan, giai doan, gian don
vap dung » van dung, ap dung, va dung
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - thanh trung vap dung cong dan gian doan~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh trung vap dung cong dan gian doan*.