Perhaps you should try some spelling variations:
trong tuong » trong thuong, trong luong, tuong tuong
thanh tuong » thanh thuong, thanh tung, thanh huong
hoc thieu » hoc hien
tuong qua » tuong quan, duong qua, thong qua
qua trong » quan trong, qua trinh, qua song
tuong tap » tuong tac, tong tap, cuong tap
tap doan » tap quan
doan van » doan va, hoang van, luan van

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) or (toc thieu)) sach - thanh tuong qua trong tuong tap doan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - thanh tuong qua trong tuong tap doan van*.