Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
hanh tung » thanh tung, manh tung, hanh dung
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 tung) or (anh tang)) cua ((nhung cong) or (dung cong)) dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - ((hanh tung) OR (anh tang)) cua ((nhung cong) OR (dung cong)) dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - ((hanh tung) or (anh tang)) cua ((nhung cong) or (dung cong)) dan than tap*.