Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
dai trong » tai trong, bai trong, dat trong
dai tuong » dai cuong, doi tuong, dai duong
chu nang » chua nang, cuu nang, chu bang
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao
chuc » thuc, chua, phuc

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

• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu nang) OR (chuc nang)) - hanh truong ((dai trong) OR (dai tuong)) cong van tuan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu nang) OR (chuc nang)) - hanh truong ((dai trong) or (dai tuong)) cong van tuan cao~".
• Adding a wildcard symbol may retrieve word variants: cho ((chu nang) OR (chuc nang)) - hanh truong ((dai trong) or (dai tuong)) cong van tuan cao*.