Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh luan » trinh luat, trinh quan, trinh han
trinh cua » trinh luat, trinh quan, trinh chat
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » sinh cua, tinh chat, tranh cua
cong san » cong tac
san chan » san chang, dan chan, san chay
chan nan » chan nhan, chang nang, chan doan

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 ((((trinh cua) OR (trinh luan))) or (tinh cua)) thuong cong san chan nan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((((trinh cua) OR (trinh luan))) OR (tinh cua)) thuong cong san chan nan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((((trinh cua) OR (trinh luan))) or (tinh cua)) thuong cong san chan nan".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((((trinh cua) OR (trinh luan))) or (tinh cua)) thuong cong san chan nan*.