Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
luan phan » luan van, luan hoan
van phan » van phong, van thanh, van ban
cho chu » cho thue
chu han » chu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu han - ((hanh tang) or (hanh trinh)) cua thong cong ((van phan) or (luan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu han - ((hanh tang) OR (hanh trinh)) cua thong cong ((van phan) OR (luan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: cho chu han - ((hanh tang) or (hanh trinh)) cua thong cong ((van phan) or (luan phan)) cau*.