Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chau » theo chieu, theo phap, theo cap
theo chu » theo chieu, cho chu, chao chu
hanh ban » thanh ban, hang ban, hanh san
va thong » va thuong, va phuong, he thong
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: ((theo chau) or (theo chu)) tinh - hanh ban va thong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chau) OR (theo chu)) tinh - hanh ban va thong cong dan chan cau*.