Perhaps you should try some spelling variations:
thong thuong » thong thong, cong thuong, tvqg thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
van tan » van tuan, van tai, van thanh

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 suat ((thong thuong) OR (hang thuong)) ((van tan) or (van ban)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh trinh suat ((thong thuong) OR (hang thuong)) ((van tan) OR (van ban)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trinh suat ((thong thuong) OR (hang thuong)) ((van tan) or (van ban)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trinh suat ((thong thuong) OR (hang thuong)) ((van tan) or (van ban)) cao*.