Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
canh tran » canh tranh, hanh trang, banh trang
van thanh » ban thanh, van tuan
dan khoan » dan khoa, dai khoang, toan khoan
khoan cam » khoa cam, khoan va, phan cam
tran van » luan van
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 nhanh - canh tran van thanh cong dan khoan cam~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tran van thanh cong dan khoan cam*.