Perhaps you should try some spelling variations:
trong tham » trong thai, trong cham, tuong tham
doi chieu » doc hieu, doi chi, mot chieu
tham phan » than phan, thai phan, thanh phan
tinh tan » tinh toan, tinh than, trinh tan
van dung » van dong, xay dung, tin dung
phan van » pham van, thanh van, luan van
tan van » tran van, tang 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: ((doi chieu) or (toc thieu)) sang - tinh tan van dung trong tham phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - tinh tan van dung trong tham phan van.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sang - tinh tan van dung trong tham phan van*.