Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
doan phan » doanh phan, toan phan, dan phan
tran van » luan van
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: hoc thieu xanh - canh tran van ((nhung cong) or (dung trong)) doan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tran van ((nhung cong) OR (dung trong)) doan phan cac*.