Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thien » hoc thieu, hoc thiet, hoc tien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc tren » moc tren, hoc truyen, thuoc tren
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hoc thien) or (hoc tren))) or (hoc hien)) anh - hanh tranh cua nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thien) OR (hoc tren))) OR (hoc hien)) anh - hanh tranh cua nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thien) or (hoc tren))) or (hoc hien)) anh - hanh tranh cua nhung cong dan chan cau*.