Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tran tuan » tran xuan, tran quang, tran thanh
chi xanh » chi anh, chi danh, chi hanh
dung cua » dung cho
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - hanh ((((dung cua) or (dung luan))) or (tran tuan)) thong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - hanh ((((dung cua) OR (dung luan))) OR (tran tuan)) thong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh ((((dung cua) or (dung luan))) or (tran tuan)) thong cong dan chan cau*.