Perhaps you should try some spelling variations:
thuc tinh » thuc tin, thue tinh, thuy tinh
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thu tinh » thue tinh, thuy tinh, thu minh
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
tan tuan » tran tuan, than tuan, van tuan
tuan san » luan san, tan san, thanh san
hai tan » hai van, hai quan
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu tinh) OR (thuc tinh)) hoc tap, nghien cuu cong hoc nganh hoa hoc xa hai tan tuan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu tinh) OR (thuc tinh)) hoc tap, nghien cuu cong hoc nganh hoa hoc xa hai tan tuan san".
• Adding a wildcard symbol may retrieve word variants: ((thu tinh) OR (thuc tinh)) hoc tap, nghien cuu cong hoc nganh hoa hoc xa hai tan tuan san*.