Perhaps you should try some spelling variations:
thanh sinh » thanh binh, thanh tinh, thanh vinh
hien xanh » hien hanh, hien nhanh, chieu xanh
cua nhung » va nhung
sinh cua » manh cua, dinh cuu, sinh va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
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 - thanh sinh cua nhung ((cong dan) or (cong tan)) ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh sinh cua nhung ((cong dan) OR (cong tan)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh sinh cua nhung ((cong dan) or (cong tan)) ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh sinh cua nhung ((cong dan) or (cong tan)) ((toan cau) OR (toan ban))*.