Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu sinh » thu minh, thu kinh, thuoc sinh
van tuan » van quan, anh tuan
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
ma hai » ta hai, va hai, xa hai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sinh hoc tap, nghien cuu mot hoc nganh hoa hoc ma hai ((van tuan) OR (van ban)) san~.
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien cuu mot hoc nganh hoa hoc ma hai ((van tuan) or (van ban)) san*.