Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
dong cua » dung cua, cong cua, huong cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 - hang ((dong cua) or (manh cua)) thong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hang ((dong cua) OR (manh cua)) thong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hang ((dong cua) or (manh cua)) thong cong tan toan cao*.