Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
canh tran » canh tranh, hanh trang, banh trang
hang cong » dang cong, hang nong, bang cong
chu xang » chua xang, chu bang, chu quang
tran van » luan van
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
chuc » thuc, chua, phuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xang) or (chuc nang)) - canh tran van ((thong cong) or (hang cong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xang) OR (chuc nang)) - canh tran van ((thong cong) OR (hang cong)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: chao ((chu xang) or (chuc nang)) - canh tran van ((thong cong) or (hang cong)) dan phan cau*.