Perhaps you should try some spelling variations:
thuong quang » thong quang, truong quang, phuong quang
chieu xanh » chieu sach, chieu sang, chieu tinh
thuong qua » thong qua, thuong quy, truong quan
khoan cam » khoa cam, khoan va, phan cam
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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 - thanh ((thuong qua) OR (thuong quang)) trong cong dan ((phan lap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((thuong qua) OR (thuong quang)) trong cong dan ((phan lap) OR (khoan cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((thuong qua) OR (thuong quang)) trong cong dan ((phan lap) or (khoan cam))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((thuong qua) OR (thuong quang)) trong cong dan ((phan lap) or (khoan cam))*.