Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
thong cong » trong cong, tong cong, thong thong
ngang toan » nganh toan, dang toan, quang toan
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
tang cua » mang cua, hang cua, tang luan
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 (doanh cua)) thong cong ngang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((tang cua) OR (doanh cua)) thong cong ngang toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((tang cua) or (doanh cua)) thong cong ngang toan ban*.