Perhaps you should try some spelling variations:
vien nganh » vien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
tranh ha » thanh ha, trang ha, trinh ha
cong dao » cuong dao, cong dan, dong dao
ha dung » hai dung, kha dung, nha dung
dao van » do van, dang 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 ((vien nganh) or (chieu xanh)) - canh tranh ha dung cong dao van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (chieu xanh)) - canh tranh ha dung cong dao van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (chieu xanh)) - canh tranh ha dung cong dao van ban*.