Perhaps you should try some spelling variations:
nhoc nhan » ngoc nhan, hoc nhan, nhac nhan
nhan khoa » nha khoa, khuan khoa, toan khoa
manh hon » manh ho, minh hon, manh huong
phan van » pham van, thanh van, luan van
vu manh » vu minh, vu anh, tu manh
hon tap » hoc tap, han tap, con tap
mo nhoc » mo hoc, mo nho
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu manh hon tap, nghien cuu mo nhoc nhan khoa ((hoc xa) OR (hoc ma)) hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu manh hon tap, nghien cuu mo nhoc nhan khoa ((hoc xa) OR (hoc ma)) hoi va phan van*".