Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » trinh luat, trinh luan, trinh chat
dung cong » dung trong
tinh cua » sinh cua, tinh chat, tranh cua
cong san » cong tac
san phan » san pham, van phan, sat phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((((trinh cua) OR (tinh cua))) or (trinh quan)) dung cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((((trinh cua) OR (tinh cua))) OR (trinh quan)) dung cong san phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((((trinh cua) OR (tinh cua))) or (trinh quan)) dung cong san phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((((trinh cua) OR (tinh cua))) or (trinh quan)) dung cong san phan tu*.