Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh luan
tap quang » tap quan, tac quang, tai quang
quang cao » nang cao, quang nam
cong tap » cuong tap, cong tac, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tap quang cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tap quang cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong tap quang cao*.