Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh toan » thanh hoa, thanh san, tinh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu
tinh cua » trinh cua, tinh chat, tranh cua
toan ban » van ban
sinh va » sinh vat, tinh va, dinh van

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 ((((sinh cua) OR (sinh va))) or (tinh cua)) dung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((((sinh cua) OR (sinh va))) OR (tinh cua)) dung cong thanh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((((sinh cua) OR (sinh va))) or (tinh cua)) dung cong thanh toan ban*".