Perhaps you should try some spelling variations:
vien nganh » vien thanh
nhung cong » dung cong, thong cong, nhung don
hanh dung » thanh dung, anh dung, hanh dong
hang cong » dang cong, hang nong, bang cong
doc vien » hoc vien, doc viet, doc tieng
dung cua » dung luan, dung cho
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc vien nganh - hanh dung cua ((((nhung cong) OR (hang cong))) or (trong cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc vien nganh - hanh dung cua ((((nhung cong) OR (hang cong))) OR (trong cong)) dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc vien nganh - hanh dung cua ((((nhung cong) OR (hang cong))) or (trong cong)) dan than cau".
• Adding a wildcard symbol may retrieve word variants: doc vien nganh - hanh dung cua ((((nhung cong) OR (hang cong))) or (trong cong)) dan than cau*.