Perhaps you should try some spelling variations:
hien nganh » vien nganh, hien nhanh, hieu nganh
hanh trinh » canh tranh, hanh chinh
hanh xuong » thanh huong, thanh cuong, thanh duong
trinh thi » trinh tai, dinh thi, trinh tu
xuong dan » huong dan, xuong san, tuong dan
thi hanh » thi thanh
dan van » dang van, doan van, dao 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 hien nganh - hanh trinh thi hanh xuong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nganh - hanh trinh thi hanh xuong dan van ban*.