Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
hanh trinh » canh tranh, hanh chinh
hien xanh » hien hanh, hien nhanh, chieu xanh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan 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 - ((nhanh lang) OR (hanh trinh)) cua dung cong dan ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - ((nhanh lang) OR (hanh trinh)) cua dung cong dan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((nhanh lang) OR (hanh trinh)) cua dung cong dan ((toan cao) OR (toan tap))*.