Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc hien
thinh dan » thinh doan, trinh dan, hinh dan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
dan luan » doanh luan, dung luan, tang luan
cong dat » cong dan, dong dat, cong da
dat phan » data phan, dam phan, sat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (toc thieu)) sang - thinh dan luan dung cong dat phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sang - thinh dan luan dung cong dat phan tu*.