Perhaps you should try some spelling variations:
vien nganh » vien thanh
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
lang cong » dang cong, hang cong, lang dong
bang cong » dang cong, bang song, hang cong
hoc vien » hoc hien, hoc viet, hoc tieng
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen 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 vien nganh - hanh trinh vat ((lang cong) OR (bang cong)) van tuan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc vien nganh - hanh trinh vat ((lang cong) OR (bang cong)) van tuan tap*".