Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
vien nganh » vien thanh
cua thong » cua thuong, cua khong, cua tong
hoc vien » hoc hien, hoc viet, hoc tieng
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 - anh mang cua thong cong ((dan than) OR (van than)) man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc vien nganh - anh mang cua thong cong ((dan than) OR (van than)) man*".