Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
truong ca » truong cao, truong va, truong dai
trong tan » trong quan, trong cac, cong tan
trong ca » trong cac, trong nha
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: doi chieu xanh - hanh ((truong ca) OR (trong ca)) dung trong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((truong ca) OR (trong ca)) dung trong tan toan cao*".