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
chinh cua » chinh sua, hinh cua, chinh luan
cong luan » tong luan, cong tuan, dong luan
chinh ca » chinh ta, chinh va, chinh tai

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 - hanh ((chinh cua) or (((chinh ca) or (chinh tri)))) nhung cong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((chinh cua) OR (((chinh ca) OR (chinh tri)))) nhung cong luan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((chinh cua) or (((chinh ca) or (chinh tri)))) nhung cong luan van ban*.