Perhaps you should try some spelling variations:
tong thuong » thong thuong, trong thuong, cong thuong
trinh quan » trinh luat, trinh han
thuong han » thuong mai, thuong va, thuong gap
ho chieu » theo chieu, hoc thieu, doi chieu
han than » khan than, phan than, ban than
than cap » khan cap, thanh lap, thanh cac

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) or (hoc hien)) xanh - hanh ((trinh quan) OR (tinh quang)) tong thuong han than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) xanh - hanh ((trinh quan) OR (tinh quang)) tong thuong han than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc hien)) xanh - hanh ((trinh quan) OR (tinh quang)) tong thuong han than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) xanh - hanh ((trinh quan) OR (tinh quang)) tong thuong han than cap*.