Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
bach tuoc » sach duoc, sach nuoc
hoa nganh » hoc nganh, khoi nganh, hoa doanh
thong hoc » thuong hoc, tuong hoc, thong hoa
cach tuc » cach thuc, cach tu, sach truc
cong hoa » dong hoa, dong hoc, hang hoa
van gian » van giang, dan gian, van giao
gian dan » gian lang
hoa van » hoa dan, hoang van, hoa phan

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

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