Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
coc nganh » hoc nganh, cac nganh, chuc nganh
thong hoc » thuong hoc, tuong hoc, thong hoa
manh hoc » anh hoc, manh hon, danh hoc
cong coc » cong cuoc, cong cac, cong co
gian dan » gian lang
manh ho » manh hon, minh hoa, danh hoa
va gian » va gianh, van gian, va giai
hoa va » hoa van, hoa xa, hoa vo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((manh hoc) OR (manh ho)) tap, nghien thu cong coc nganh thong hoc ma hoa va gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((manh hoc) OR (manh ho)) tap, nghien thu cong coc nganh thong hoc ma hoa va gian dan".
• Adding a wildcard symbol may retrieve word variants: tu ((manh hoc) OR (manh ho)) tap, nghien thu cong coc nganh thong hoc ma hoa va gian dan*.