Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, nhung don, nhung lang
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
hang cong » dang cong, hang nong, bang cong
tranh va » tranh van, trang va, trinh va
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - canh tranh va ((((nhung cong) or (hang cong))) or (thong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh va ((((nhung cong) OR (hang cong))) OR (thong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh va ((((nhung cong) or (hang cong))) or (thong cong)) dan toan cao*.