Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tung dai » trung dai, tuong dai, hung dai
tung dan » dung dan, huong dan, trung dai
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
o chau » a chau, 3 chau, moc chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: o chau tinh - thanh ((tung dai) or (tung dan)) trong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: o chau tinh - thanh ((tung dai) OR (tung dan)) trong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: o chau tinh - thanh ((tung dai) or (tung dan)) trong cong dan than cau*.