Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan tu » phan tu, han tu, chon tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - canh ((trang va) or (((tran van) or (hang va)))) thong cong dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh ((trang va) OR (((tran van) OR (hang va)))) thong cong dan chan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh ((trang va) or (((tran van) or (hang va)))) thong cong dan chan tu*.