Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chieu xanh » chieu sach, chieu sang, chieu tinh
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - canh tran van ((nhung cong) OR (dung cong)) dan phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tran van ((nhung cong) OR (dung cong)) dan phan cac".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tran van ((nhung cong) OR (dung cong)) dan phan cac*.