Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
chu quang » chat quang, vu quang
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
chuc » thuc, chua, phuc

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 quang) or (chuc nang)) - trinh dung luan nhung cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu quang) OR (chuc nang)) - trinh dung luan nhung cong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu quang) or (chuc nang)) - trinh dung luan nhung cong van tuan ban*.