Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu anh - hanh dong luan van ((cong dan) or (cong tac)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - hanh dong luan van ((cong dan) OR (cong tac)) phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - hanh dong luan van ((cong dan) or (cong tac)) phan dau*.