Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tuong cong » truong cong, trong cong, tong cong
thuan chat » chuan chat, thuat chan, luan chat
hieu lang » chieu sang, hieu quang, nhieu tang
hanh luan » khanh luan, hang luan, hanh luat
van tuong » van truong, van thuong, van duong
van thuan » van tuan, van than, van quan
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thieu ((hieu lang) or (chieu sach)) - hanh luan van tuong cong van thuan chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thieu ((hieu lang) OR (chieu sach)) - hanh luan van tuong cong van thuan chat.
• Adding a wildcard symbol may retrieve word variants: thieu ((hieu lang) or (chieu sach)) - hanh luan van tuong cong van thuan chat*.