Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tran ban » tranh ban, tran bai, tran tan
toan ban » van ban
tran van » luan 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 xanh - hanh tang cua nhung cong tac ((((tran ban) or (toan ban))) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh tang cua nhung cong tac ((((tran ban) OR (toan ban))) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tang cua nhung cong tac ((((tran ban) or (toan ban))) or (tran van))*.