Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, hang cong, nhung don
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao

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 tranh cua ((nhung cong) or (((thong cong) OR (trong cong)))) dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua ((nhung cong) OR (((thong cong) OR (trong cong)))) dan chan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua ((nhung cong) or (((thong cong) OR (trong cong)))) dan chan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua ((nhung cong) or (((thong cong) OR (trong cong)))) dan chan cao*.