Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
theo yeu » theo tieu, thiet yeu, theo chu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo yeu) or (theo chieu)) xanh - hanh tang va nhung cong dan ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo yeu) OR (theo chieu)) xanh - hanh tang va nhung cong dan ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo yeu) or (theo chieu)) xanh - hanh tang va nhung cong dan ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((theo yeu) or (theo chieu)) xanh - hanh tang va nhung cong dan ((toan cau) OR (toan ban))*.