Perhaps you should try some spelling variations:
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
dung cao » duong cao, dung cho, dung co
cao dung » cao dang, cao dong, cao ung
tac than » tac thanh, tam than, tac nhan
tao nhan » ca nhan, tue nhan, tri nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - hanh dung cao dung cong ((tac than) or (tao nhan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh dung cao dung cong ((tac than) OR (tao nhan)) tap*.