Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hieu xanh » chieu xanh, hieu manh, hieu nganh
tuong xay » thong xay, trong xay, luong xay
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - thanh tuong xay dung cong tam toan ban~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh tuong xay dung cong tam toan ban*.