Perhaps you should try some spelling variations:
luat thong » luat thuong, suat thong, xuat thong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh binh » thanh binh, nhanh binh, manh binh
van phong » van dong, hai phong
cong san » cong tac
juan cao » quang cao, quan cau, juan a
toan cao » toan ban, toan tap

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 binh ((luat thong) or (van phong)) cong san ((juan cao) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh binh ((luat thong) OR (van phong)) cong san ((juan cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh binh ((luat thong) or (van phong)) cong san ((juan cao) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh binh ((luat thong) or (van phong)) cong san ((juan cao) OR (toan cao))*.