Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh phan » thanh phan, anh phan, hanh han
cua nhung » va nhung
cong tac » cong ty
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 thieu xanh - ((khanh phong) or (hanh phan)) cua nhung cong tac ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((khanh phong) OR (hanh phan)) cua nhung cong tac ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((khanh phong) or (hanh phan)) cua nhung cong tac ((van ban) or (toan cao))*.