Perhaps you should try some spelling variations:
thue tinh » thuy tinh
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
tinh hoc » sinh hoc, tin hoc, hinh hoc
ban soan » bien soan, ban doanh, nang soan
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
ban san » ban dan, ban can, ban sac
ma hai » ta hai, va hai, xa hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thue tinh hoc tap, nghien cuu mon hoc nganh hoa hoc ma hai van ((ban san) or (ban soan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thue tinh hoc tap, nghien cuu mon hoc nganh hoa hoc ma hai van ((ban san) OR (ban soan)).
• Adding a wildcard symbol may retrieve word variants: thue tinh hoc tap, nghien cuu mon hoc nganh hoa hoc ma hai van ((ban san) or (ban soan))*.