Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
minh va » sinh va, sinh vat, dinh van
tinh va » tich va, trinh van, trinh vat

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 xanh - hanh ((minh va) OR (tinh va)) hang cong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((minh va) OR (tinh va)) hang cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((minh va) OR (tinh va)) hang cong tan toan cao*.