Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, cong san, song van
phan dau » phan tu, hang dau
cac van » cac dan
van cua » vang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - cac van cua nhung cong van ((phan lap) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - cac van cua nhung cong van ((phan lap) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - cac van cua nhung cong van ((phan lap) OR (phan dau))*.