Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
thong van » trong van, thong quan, truong van
thong va » thong cua, truong va, thong qua
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh tranh cua nhung ((thong van) or (thong va)) luan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh tranh cua nhung ((thong van) OR (thong va)) luan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh cua nhung ((thong van) or (thong va)) luan ban*.