Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
hanh tung » thanh tung, manh tung, hanh dung
cong tran » cong tan, cong tuan, cong toan
anh tang » anh bang, anh dang, anh nang
va thong » va thuong, va phuong, he thong
tran van » luan van

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)) va thong cong tran van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - ((hanh tung) OR (anh tang)) va thong cong tran van ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - ((hanh tung) or (anh tang)) va thong cong tran van ban*.