Perhaps you should try some spelling variations:
giang trong » gian trong, giang trung, giang duong
viec giang » kien giang, lieu giang, viec tang
nhung loi » nhung bai, nhung bi, nhung gi
nhung chi » chung chi, nhung chu, nhung thi
quen vang » quan van, que lang, quen hanh
trong ban » trong san, trong tan, trong quan
ban thanh » ban hanh, ban hang
que van » qua van, quy van, quyet van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nhung loi) or (nhung chi)) ((quen vang) or (que van)). viec giang trong ban thanh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nhung loi) OR (nhung chi)) ((quen vang) OR (que van)). viec giang trong ban thanh.
• Adding a wildcard symbol may retrieve word variants: ((nhung loi) or (nhung chi)) ((quen vang) or (que van)). viec giang trong ban thanh*.