Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
huong cua » dung cua
song cua » cong cua, dong cua, thong cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: toc thieu xanh - thanh ((song cua) or (huong cua)) nhung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh ((song cua) OR (huong cua)) nhung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh ((song cua) or (huong cua)) nhung cong tac toan cao*.