Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
toc chau » toc cham, moc chau, ngoc chau
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chau tinh - canh tranh cua ((nhung cong) or (dung cong)) tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chau tinh - canh tranh cua ((nhung cong) OR (dung cong)) tan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: toc chau tinh - canh tranh cua ((nhung cong) or (dung cong)) tan ((toan cau) or (toan ban))*.