Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, hieu lang
thanh toan » thanh hoa, thanh san, tinh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
ban tran » ban trang, tan tran, bao tran
ban than » ban thanh, van thanh, ban hang
vat dung » van dung, va dung, viet dung
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: ho chieu sang - ((ban tran) or (ban than)) vat dung cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((ban tran) OR (ban than)) vat dung cong thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((ban tran) or (ban than)) vat dung cong thanh toan cao*.