Perhaps you should try some spelling variations:
trinh quan » trinh luat, trinh han
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
thi hieu » thi chieu, thi hien, thi dieu
cong van » cong vang, cong san, song van
van chat » cao chat
chat cau » chat cam, chat cao, chat va

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 (thi hieu)) xanh - hanh ((trinh quan) OR (tinh quang)) dang cong van chat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi hieu)) xanh - hanh ((trinh quan) OR (tinh quang)) dang cong van chat cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (thi hieu)) xanh - hanh ((trinh quan) OR (tinh quang)) dang cong van chat cau*".