Perhaps you should try some spelling variations:
khong cang » thong cong, khong dung, thong cung
manh tran » manh toan, manh tuan, canh tranh
hong bang » dong bang, hang ban, hong hanh
chu tinh » chau tinh, chua tinh, cuu tinh
tran van » luan van
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - manh tran van ((khong cang) or (hong bang)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - manh tran van ((khong cang) OR (hong bang)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoi chu tinh - manh tran van ((khong cang) or (hong bang)) dan phan cau*.