Perhaps you should try some spelling variations:
theo nhieu » theo chieu, theo tieu, he nhieu
nhieu tang » chieu sang, hieu lang, nhiet nang
trinh toan » tinh toan, thanh toan, trinh han
hoang van » hang va
tong cong » trong cong, cong cong, dung cong
dang van » hang va
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 nhieu tang - hanh ((hoang van) or (dang van)) tong cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo nhieu tang - hanh ((hoang van) OR (dang van)) tong cong trinh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo nhieu tang - hanh ((hoang van) or (dang van)) tong cong trinh toan cao*.