Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
tung qua » dung qua, tuong quan, trung quan
qua dung » quang dung, su dung, qua song
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) or (hieu manh))) or (lieu tinh)) - thanh tung qua dung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (hieu manh))) OR (lieu tinh)) - thanh tung qua dung cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (hieu manh))) or (lieu tinh)) - thanh tung qua dung cong tan toan cao*.