Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doc hieu)) xanh - lanh manh cua nhung cong tan ((phan dau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) xanh - lanh manh cua nhung cong tan ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doc hieu)) xanh - lanh manh cua nhung cong tan ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) xanh - lanh manh cua nhung cong tan ((phan dau) OR (hang dau))*.