Perhaps you should try some spelling variations:
dung cong » dung trong
cong hinh » cong vinh, cong tinh, hong hinh
hinh toan » tinh toan, thanh toan, trinh toan
chu xanh » chu manh, chieu xanh, chua xang
hang cua » mang cua, hang ca, huong cua
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 ((thong quan) or (hang cua)) dung cong hinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu xanh - hanh ((thong quan) OR (hang cua)) dung cong hinh toan cao.
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - hanh ((thong quan) or (hang cua)) dung cong hinh toan cao*.