Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
anh tinh » canh tinh, hanh tinh, manh tinh
cong tac » cong ty
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan 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 chieu xanh - ((anh tinh) or (canh tranh)) va nhung cong tac ((phan dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((anh tinh) OR (canh tranh)) va nhung cong tac ((phan dau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((anh tinh) or (canh tranh)) va nhung cong tac ((phan dau) or (phan cac))*.