Perhaps you should try some spelling variations:
thang cong » thanh cong, thang long, thong cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tang luan » dung luan
cong hoan » cong hoa, dong hoa, cong san
hoan toan » hoa toan, hoan tran, hoang thoan
tang cua » mang cua, hang cua, thong cua
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh ((tang cua) or (tang luan)) thang cong hoan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((tang cua) OR (tang luan)) thang cong hoan toan ban*.