Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
trong ca » trong nha
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 manh cua dung ((cong tan) or (((trong ca) or (trong cac)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh manh cua dung ((cong tan) OR (((trong ca) OR (trong cac)))) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh manh cua dung ((cong tan) or (((trong ca) or (trong cac)))) toan ban*.