Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chu xanh » chu manh, chieu xanh, chua xang
tang van » dang van, hoang van, trong van
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
cua chu » sua chua
tang va » trang va, thang va, tang vat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: cua chu xanh - hanh ((tang va) or (tang van)) thuong cong trinh ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua chu xanh - hanh ((tang va) OR (tang van)) thuong cong trinh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cua chu xanh - hanh ((tang va) or (tang van)) thuong cong trinh ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: cua chu xanh - hanh ((tang va) or (tang van)) thuong cong trinh ((toan cau) OR (toan cao))*.