Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
tuong quang » truong quang, thuong quang, luong quang
quang trung » truong trung
doi chieu » doc hieu, doi chi, mot chieu
trinh cua » tinh cua, trinh quan, trinh luan
trung ban » trong ban, trung van, trung can
ho chieu » theo chieu, hoc thieu, mot chieu

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 (doi chieu)) xanh - hanh ((trinh cua) OR (trinh luat)) nhung tuong quang trung ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh ((trinh cua) OR (trinh luat)) nhung tuong quang trung ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - hanh ((trinh cua) OR (trinh luat)) nhung tuong quang trung ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh ((trinh cua) OR (trinh luat)) nhung tuong quang trung ban*.