Perhaps you should try some spelling variations:
tcvn trinh » tien trinh
thanh tung » thanh cong
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
tung cua » trung cua, tuong cua, dung cua
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

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