Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh luan
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, doi chieu, mot chieu
toan ban » van ban

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 thieu)) xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tinh toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - hanh ((trinh cua) OR (trinh quan)) thong cong tinh toan ban*".