Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh trong » hanh trang, anh trong, hinh trong
trong luan » truong luan, tong luan, trong quan
phan thanh » pham thanh, ban thanh, van thanh
thanh tap » thanh lap, thanh tai, thanh tay
son phan » so phan, bon phan, mon phan
van son » van dong, van cong, van sung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (toc thieu)) sang - hanh trong luan van son phan thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (toc thieu)) sang - hanh trong luan van son phan thanh tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) sang - hanh trong luan van son phan thanh tap*.