Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
dung tuong » dung thuong, dung truong, dung trong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh luan
tuong ban » tuong bang, trong ban, tuong dan
ban hang » ngan hang
hang cau » hang dau, hang ca, nhung cau

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

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