Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
doan cau » toan cau, doan dau, doan cap

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) or (hoc thieu)) xanh - hanh tang cua nhung ((cong tan) or (cong san)) doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (hoc thieu)) xanh - hanh tang cua nhung ((cong tan) OR (cong san)) doan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (hoc thieu)) xanh - hanh tang cua nhung ((cong tan) or (cong san)) doan cau*.