Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
tam dich » tap dich, tham dinh, nam dinh
pho khoa » phu khoa, pha khoa, tho khoa
khoa hoc » hoa hoc
ve dich » va dich, van dich
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tam dich) or (ve dich)) hoc tap, nghien cuu mot hoc pho khoa hoc xa hoi van thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tam dich) OR (ve dich)) hoc tap, nghien cuu mot hoc pho khoa hoc xa hoi van thanh van.
• Adding a wildcard symbol may retrieve word variants: ((tam dich) or (ve dich)) hoc tap, nghien cuu mot hoc pho khoa hoc xa hoi van thanh van*.