Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
thang cua » thong cua, hang cua, than cua
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 ((thang cua) or (tranh cua)) dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((thang cua) OR (tranh cua)) dung cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((thang cua) or (tranh cua)) dung cong tan toan ban*.