Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
thang cua » thong cua, hang cua, than cua
chu xanh » chu manh, chieu xanh, chua xang
tang cuu » tang cua, tang cuoc, mang cua
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue

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

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