Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
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 tieu xanh - thanh ((tran tuan) or (tran xuan)) thong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((tran tuan) OR (tran xuan)) thong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((tran tuan) or (tran xuan)) thong cong dan chan cau*.