Perhaps you should try some spelling variations:
chung cong » nhung cong, chong cong, phung cong
luan chung » luan chinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
trinh van » trinh han, trinh quan, trinh toan
theo chu » theo chieu, cho chu, chao chu
cao cho » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (((cao cho) OR (cap cho)))) xanh - hanh tang luan chung cong trinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (((cao cho) OR (cap cho)))) xanh - hanh tang luan chung cong trinh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (((cao cho) OR (cap cho)))) xanh - hanh tang luan chung cong trinh van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (((cao cho) OR (cap cho)))) xanh - hanh tang luan chung cong trinh van ban*.