Perhaps you should try some spelling variations:
hoc thieu » hoc hien
hanh cong » thanh cong, hang cong, hanh dong
cong phan » cong nhan, cong khan, chong phap
phan cong » thanh cong
cong cong » cong dong, trong cong, dung cong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) OR (hoc thieu)) tach - hanh cong phan cong cong luan phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc thieu) OR (hoc thieu)) tach - hanh cong phan cong cong luan phan lap".
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) OR (hoc thieu)) tach - hanh cong phan cong cong luan phan lap*.