Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu
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 (trinh cua)) dung cong tinh 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 (trinh cua)) dung cong tinh 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 (trinh cua)) dung cong tinh toan ban*".