Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
hang cua » mang cua, hang ca, huong cua
cong tac » cong ty
toan cao » toan ban, toan tap
cong ha » cong hoa, dong ha, cong cua

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 - hanh hang cua nhung ((cong san) or (((cong ha) or (cong tac)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh hang cua nhung ((cong san) OR (((cong ha) OR (cong tac)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh hang cua nhung ((cong san) or (((cong ha) or (cong tac)))) toan cao*.