Perhaps you should try some spelling variations:
chu xanh » chu manh, chieu xanh, chua xang
thang va » hang va, trang va, thong va
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue
tang va » trang va, tang van, 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: cho chu xanh - hanh ((tang va) OR (thang va)) nhung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu xanh - hanh ((tang va) OR (thang va)) nhung ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu xanh - hanh ((tang va) OR (thang va)) nhung ((cong dan) or (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - hanh ((tang va) OR (thang va)) nhung ((cong dan) or (cong san)) toan cau*.