Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
cho truong » thi truong, bo truong, nha truong
doc chieu » doc hieu, doi chieu, toc thieu
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu tinh - hanh trinh ((cho truong) or (cac truong)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu tinh - hanh trinh ((cho truong) OR (cac truong)) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: doc chieu tinh - hanh trinh ((cho truong) or (cac truong)) cong dan phan cau*.