Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua nang » chuc nang, chua xang, kha nang
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
dan than » dan chan, ban than, van than

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 nang - ((hanh tang) or (hanh mang)) va nhung cong ((tinh toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua nang - ((hanh tang) OR (hanh mang)) va nhung cong ((tinh toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chua nang - ((hanh tang) or (hanh mang)) va nhung cong ((tinh toan) or (dan than)) cau*.